非常に
very; extremely
Kyō no shiken wa hijō ni muzukashikatta node, gōkaku dekiru ka shinpai da.
→ Today's exam was extremely difficult, so I'm worried about whether I'll pass.
大変(に)
very; greatly; terribly; difficult
Kinō wa yoru osoku made shigoto o shite, taihen tsukareta.; Yuki no tame, densha ga taihen okureteimasu.
→ Yesterday I worked late into the night and was extremely tired.; The train is severely delayed because of the snow.
ほとんど
almost; mostly; nearly all
Shukudai wa, mō hotondo owarimashita.; Kinō no pātī ni wa, kurasu no hito ga hotondo kiteita.
→ I've almost finished my homework.; Almost everyone in the class came to yesterday's party.
大体
roughly; generally; mostly
Kyō no shigoto wa, daitai owatta. Ato wa kakunin dake da.
→ Today's work is mostly finished. All that's left is to check it.
かなり
quite; fairly; considerably
Kaze o hiite, kanari netsu ga takai yō da.
→ I have a cold, and my fever seems quite high.
ずいぶん
quite; very; considerably
Shibaraku awanai uchi ni, kare wa zuibun kawatta.
→ He changed quite a lot while we hadn't seen each other for a while.
けっこう
quite; fairly; enough
Kono resutoran wa yasui noni, kekkō oishii.
→ This restaurant is cheap, but the food is actually quite good.
だいぶ・だいぶん 大分
considerably; a lot; much
Nihongo no benkyō o hajimete kara ichinen tachi, daibu hanaseru yō ni natta.
→ It's been a year since I started studying Japanese, and I can speak it much better now.
もっと
more; further
Mō sukoshi yukkuri hanashite kudasai. Motto ookii koe de onegaishimasu.
→ Please speak a little more slowly. And please speak louder.
すっかり
completely; entirely
Yakusoku no jikan nanoni, tomodachi ga kuru no o sukkari wasureteita.; Byōki wa mō sukkari yoku natta.
→ Even though it was already the meeting time, I had completely forgotten that my friend was coming.; I've completely recovered from my illness.
一杯
full; filled; one cup/glass
Onaka ga ippai de, mō nani mo taberarenai.; Jikan ippai made ganbatta ga, saigo no mondai made tokenakatta.
→ I'm full and can't eat anything else.; I worked until the very end, but I couldn't finish the last question.
ぎりぎり
just barely; at the last moment
Ie o deru no ga okurete, densha ni girigiri maniatta.
→ I left home late but just barely caught the train.
ぴったり(と)
exactly; perfectly; snugly
Kono kutsu wa watashi no ashi ni pittari da.; Kare ga hannin da to, pittari ii ateta.
→ These shoes fit my feet perfectly.; I guessed exactly right that he was the culprit.
たいてい
usually; generally; mostly
Watashi wa taitei asa shichiji ni okimasu.
→ I usually get up at 7 a.m.
同時に
at the same time; simultaneously
Futatsu no koto o dōji ni okonau no wa muzukashii.
→ It's difficult to do two things at the same time.
前もって
in advance; beforehand
Ryokō no yoyaku wa, maemotte shite oita hō ga yasui.
→ It's cheaper to make travel reservations in advance.
すぐ(に)
immediately; right away
Chūmon shita ryōri ga sugu ni hakobarete kita.
→ The food I ordered was brought out right away.
もうすぐ
soon; before long
Mō sugu natsuyasumi da. Doko e ikō ka.
→ Summer vacation is almost here. Where should we go?
突然
suddenly; unexpectedly
Aruite itara, totsuzen ame ga furidashita.
→ While I was walking, it suddenly started to rain.
あっという間
in no time; in the blink of an eye
Tanoshii jikan wa atto iu ma ni sugite shimau.
→ Enjoyable times pass in the blink of an eye.
いつの間にか
before one knows it; without realizing it
Hon o yonde itara, itsu no ma ni ka nemutte shimatta.
→ While reading a book, I fell asleep without realizing it.
しばらく
for a while; for some time
Kare wa shibaraku damatte nani ka kangaeteita.; Gobusata shite orimasu. Shibaraku desu ne.
→ He stayed silent for a while, thinking about something.; It's been a long time. We haven't seen each other for quite a while.
ずっと
all the time; continuously; much; far
Kōkō o sotsugyō shite kara mo, watashitachi wa zutto tomodachi da.; Otōto yori watashi no hō ga zutto se ga takai.
→ Even after graduating from high school, we've remained friends all this time.; I'm much taller than my younger brother.
相変わらず
as usual; as always; unchanged
Kare wa aikawarazu genki sō da.
→ He looks as healthy and energetic as ever.
次々に・と
one after another; successively
Atarashii resutoran ga tsugitsugi ni ōpun shiteiru.
→ New restaurants are opening one after another.
どんどん
rapidly; steadily; one after another; bang bang
Atarashii tango o dondon oboete ikitai.; Ame ga dondon tsuyoku natte kita.
→ I want to keep learning lots of new words.; The rain is getting heavier and heavier.
ますます
more and more; increasingly
Samuku natte kita node, kaze o hiku hito ga masumasu fueta.
→ As the weather has gotten colder, more and more people have caught colds.
やっと
finally; at last; barely
Nanjikan mo kakatte, yatto repōto o kaki oeta.; Yatto gōkaku dekita.
→ After several hours, I finally finished writing the report.; I finally managed to pass.
とうとう
finally; eventually; in the end
Ganbatte renshū shita ga, tōtō shiai ni wa katenakatta.
→ I practiced hard, but in the end I couldn't win the match.
ついに
finally; at last
Naganen no kenkyū ga minori, tsuini shin'yaku ga kansei shita.
→ Years of research finally paid off, and the new drug was completed.
もちろん
of course; certainly
Pātī ni wa mochiron sanka shimasu yo.
→ Of course I'll attend the party.
やはり
as expected; after all; still
Iroiro na resutoran de tabeta ga, yahari haha no ryōri ga ichiban oishii.; Kare wa konai to omotteita ga, yahari konakatta.
→ I've eaten at many restaurants, but after all, my mother's cooking is the best.; I thought he wouldn't come, and sure enough, he didn't.
きっと
surely; certainly; probably
Ashita wa kitto hareru darō.
→ It will surely be sunny tomorrow.
ぜひ
by all means; definitely; please do
Nihon ni kitara, zehi watashi no ie ni asobi ni kite kudasai.
→ If you come to Japan, please be sure to visit my home.
なるべく
as much as possible; if possible
Karada ni warui node, narubeku amai mono wa tabenai yō ni shiteiru.
→ Because it's bad for my health, I try not to eat sweets as much as possible.
案外
unexpectedly; surprisingly
Kono mondai wa muzukashii to omotteita ga, angai kantan ni toketa.
→ I thought this problem would be difficult, but surprisingly, it was easy to solve.
もしかすると・もしかしたら・もしかして
perhaps; maybe; possibly
Kare wa mada kiteinai. Moshika suru to, byōki kamoshirenai.
→ He still hasn't come. Maybe he's sick.
まさか
no way; surely not; you don't mean...
「Takarakuji de ichi oku en atattanda.」「Masaka, uso deshō?」
→ "I won 100 million yen in the lottery." "No way! You're joking, right?"
うっかり
carelessly; absentmindedly
Ukkari shiteite, densha ni kasa o wasurete shimatta.
→ I absentmindedly left my umbrella on the train.
つい
unintentionally; without thinking
Daiettochū nanoni, tsui kēki o tabete shimatta.
→ Even though I'm on a diet, I ended up eating cake without thinking.
思わず
involuntarily; without thinking
Ashi o fumarete, omowazu 「itai」 to sakenda.
→ Someone stepped on my foot, and I involuntarily shouted, "Ouch!"
ほっと
relieved; with relief
Buji ni shiken ga owatte, hotto shita.
→ The exam ended without any problems, and I felt relieved.
いらいら
irritated; frustrated; impatient
Yakusoku no jikan ni tomodachi ga konakute, iraira shiteiru.
→ My friend hasn't shown up at the agreed time, and I'm getting irritated.
のんびり
leisurely; relaxed
Yasumi no hi wa, ie de ongaku o kikinagara nonbiri sugoshitai.
→ On my days off, I want to relax at home while listening to music.
実は
actually; in fact; to tell the truth
「Genki sō desu ne.」「Ee, demo jitsu wa chotto tsukareteirun desu.」
→ "You look well." "Yes, but actually I'm a little tired."