Definition
To express feelings of sadness or guilt in an exaggerated or public manner.
捶胸頓足（形容明顯地表露悲傷或內疚）
He beat his breast over the mistake he had made, but it was all in vain.
他為自己所犯的錯誤捶胸頓足，但這一切都無濟於事。
Upon hearing the news, she beat her breast in public, expressing her pain.
聽到這個消息後，她在公開場合捶胸頓足，表達她的痛苦。
Although he beat his breast in repentance, everyone found his actions to be very contrived.
儘管他捶胸頓足表示悔意，但每個人都覺得他的行為非常做作。