lose heart

lose heart 丧失信心，泄气

【例句】

◆ Don't lose heart.You'll be successful sooner or later．别泄气，你迟早会成功的。 

◆ The scientist never lost heart when he was in trouble．当那位科学家在困境中时他从不气馁。

【联想】 

lose one's heart to sb．/sth.倾心于，钟情于，爱上：He has lost his heart to a very pretty girl．他爱上了一个非常美丽的姑娘。 

【微测】 

Once in a school speech contest on environment, I was so nervous that I forgot everything.I lost and felt very sad then. But I didn't lose____.

[heart]