They are prepared to hand back a hundred prisoners of war a day as a sign of good will.
他們準備每日遣返100名戰俘以示友好。
His face and movements rarely betrayed a sign of nerves.
他的表情和行為幾乎沒有流露出緊張的跡象。
Your blood would have been checked for any sign of kidney failure.
應該要對妳進行抽血檢查的，看是否有任何腎衰竭的跡象。