lose heart   (TTS發音)

feel discouraged氣餒；失望

    The committee lost heart when money given by supporters fell by 50％in three months. 當贊助者的錢在3個月以內減少了百分之五十時，委員會失去了信心。

    The team had won no games and it lost heart. 球隊一場未贏，球員們很失望。