胸を

chest; breasts

→ 胸
phrase Rare #28,192
chest; breasts 胸 means “chest” or “breasts,” depending on context, and can also refer figuratively to one's heart or emotions. を marks 胸 as the object of the verb.
JA: 彼は胸を張って歩いた。
EN: He walked with his chest held high.

彼女は胸をどきどきさせてその手紙を読んだ

Her heart pounding, she read the letter.

私は胸を打たれた

I was deeply moved.

— きっと、うまくいく (2009)

男の胸を

a man's chest

— 動くな、死ね、甦れ! (1990)

そのドラマは私の胸をいっぱいにした

That drama touched me deeply.

胸を触っていいよ

You can touch my breasts.

— ムーンライズ・キングダム (2012)

素敵な胸をしていた

She had a beautiful bust.

— 甘い生活 (1960)