肩を持つ
take someone's side
→ When fighting, my mother always takes my younger sister's side.
肩の荷が下りる
feel relieved of one's burden
→ The big project finished, and I felt relieved of my burden.
胸に刻む/心に刻む
engrave in one's heart
→ I engrave the teacher's words deeply in my heart.
胸をなでおろす
breathe a sigh of relief
→ The lost child was found, and I breathed a sigh of relief.
胸を張る
throw out one's chest, be proud
→ I won the tournament and returned home proudly.
胸騒ぎ
feel uneasy
→ I have a bad feeling and feel uneasy.
腹を決める
make up one's mind
→ I worried a lot, but finally made up my mind to change jobs.
腹を割る
speak frankly
→ Let's speak frankly with each other.
腰が低い
be modest, humble
→ He is modest and polite to everyone.
骨が折れる/骨を折る
require much effort / take the trouble
→ This task requires strength and requires much effort.
身になる
be beneficial / become useful to oneself
→ It is important to put oneself in someone's shoes.
心を奪われる
be fascinated by
→ I was fascinated by her beautiful singing voice.
気が重い
feel depressed
→ I have a presentation I'm bad at tomorrow, so I feel depressed.
気が引ける
feel awkward, hesitate
→ I feel a bit awkward receiving an expensive present.
気が晴れる
feel refreshed
→ I talked a lot with my friend and felt refreshed.
気に障る
hurt one's feelings
→ It seems my words hurt his feelings.
気を利かせる
be considerate, use one's tact
→ To leave them alone, I used my tact and left my seat.
気を抜く
lose one's focus, relax
→ Let's do our best without losing focus until the end.
気が気でない
be greatly worried, be anxious
→ While waiting for the results to be announced, I was greatly worried.
気が遠くなる
feel overwhelmed, faint
→ Faced with a vast amount of work, I feel overwhelmed.