かけがえのない
irreplaceable, invaluable
→ Childhood memories are an irreplaceable treasure.
気が置けない
easy to get along with, informal, candid
→ She is a candid, easygoing friend with whom I can consult on anything.
気心
temperament, disposition, mental habits
→ Traveling with companions whose temperaments you know well is the most enjoyable.
打ち明ける
to confide, to confess, to disclose
→ He finally confessed the secret he had kept hidden for many years.
察する
to perceive, to infer, to empathize
→ Even without words, it is important to perceive the other person's feelings.
同い年
the same age
→ When I first met her, I was surprised to learn that she was the same age as me.
連中
bunch, gang, pack (often derogatory)
→ I have no idea at all what that bunch is thinking.
呼び捨て
addressing someone without honorifics
→ In Japan, calling a superior by name without an honorific is considered rude.
身の上
one's station in life, one's circumstances, life story
→ She recounted the story of her life circumstances in tears.
徹する
to devote oneself, to act through and through
→ In this project, I intend to devote myself entirely to working behind the scenes.
踏みにじる
to trample upon, to crush beneath one's feet
→ Acts that trample upon human dignity cannot be forgiven.
気に障る
to offend, to hurt one's feelings
→ If I have offended your feelings in any way, I sincerely apologize.
きまり(が)悪い
awkward, embarrassed, ashamed
→ I fell down in front of people and felt exceedingly awkward.
たかが
mere, only, just
→ Life does not end simply by failing a mere examination.
かばう(庇う)
to protect, to shield, to stand up for
→ A mother always tries to shield her child no matter what happens.
あえて(敢えて)
daringly, deliberately, venturing to
→ Knowing it was dangerous, I daringly took on the challenge.
頻繁な
frequent, incessant
→ Earthquakes have been occurring frequently lately, so I am worried.
タイミング
timing
→ I missed the right timing to confess my feelings.
じゃんけんする
rock-paper-scissors (to play)
→ The children are playing rock-paper-scissors to decide the order.
[お]あいこ
a tie, a draw, even-steven
→ We tied three times in a row, and everyone burst out laughing.
つながる(繋がる)
to be connected, to lead to, to be tied
→ This road connects to the main avenue in front of the station.
やたら(矢鱈)[な/と]
excessive, reckless, indiscriminately
→ Giving out personal information indiscriminately is dangerous.
さぞ
surely, no doubt, must be
→ Since you couldn't meet for such a long time, you must have been so lonely.
そもそも
in the first place, originally, to begin with
→ To begin with, we should recall why we started this plan.
よもや[〜ない]
never in one's wildest dreams, surely not
→ Nobody ever dreamed that it would turn out to be such an outcome.