expression, godan verb (-su)
be disappointed; be dejected; drop one's shoulders
Describes a visible slump of the shoulders from disappointment or discouragement. Often used in narrative to show emotional deflation.
不合格の知らせを聞いて、彼は肩を落とした。
Hearing the news of his failure, his shoulders drooped in disappointment.
試合に負けて、選手たちは肩を落として引き揚げた。
After losing the match, the players left the field with their shoulders slumped.