lose heart 灰心
lose hope 失去希望
gain courage 鼓起勇气
keep up courage 保持勇气
lose confidence 失去信心
1. He wanted to speak in the meeting but lost courage when he saw so many people.
他想在会议上发言，但看到那么多人后失去了勇气。
2. Do not lose courage; we will find a solution to this problem.
不要失去勇气，我们会找到解决这个问题办法的。
3. The student lost courage after failing the first exam.
这名学生在第一次考试失败后变得胆怯了。
A: Why didn't you apply for that job?
A：你为什么没有申请那份工作？
B: I was afraid of the interview, so I lost courage.
B：我害怕面试，所以失去了勇气。
1) 失去信心
2) 变得胆怯
3) 灰心丧气
1. 失去勇气；胆怯
e.g.
Don't lose courage. We can still win.
不要失去勇气。我们仍然可以赢。
phrase
1. To become afraid or lack the confidence to do something.
Synonym: lose heart, lose confidence