down in the mouth
情緒低落或沮喪
口語·形容垂頭喪氣或悲傷
英文釋義
feeling sad or depressed
例句
He looked down in the mouth after hearing the bad news about his exam results.
典故來源
源于嘴角下垂的悲傷表情,形象地描述人情緒低落的樣子。