get something off your chest
吐露心声，说出内心的秘密或烦恼
口语·表达倾诉烦恼或秘密
英文释义
to share or confess something that has been troubling or bothering you
例句
I've been feeling guilty all week, so I finally got it off my chest and apologized.
典故来源
源自心理负担的比喻，将烦恼比作压在胸口的重物，吐露后如释重负。