一遇挫折，便心灰意冷，丧失信心。

You easily get upset and lose confidence once you get frustrated.

如果整日面对悲事，人容易丧失信心进而自暴自弃、颓废沉沦；

If all day long face sad things, people tend to lose confidence and degraded, decadent destruction;

坏处是分数低了会让学生丧失信心，或者是会让学生感到烦躁而不想学。

The downside is that low scores make students lose confidence, or allow students to feel annoyed and do not want to learn.

现在我也没有丧失信心。

I will not lose faith now.

有时失败会使我们丧失信心。

Sometimes failure can also make us lose heart.

当你失败时，你不应丧失信心。

When you fail, you should never lose heart.

一再受到侮辱之后，她渐渐丧失信心。

E. g. : Insults undermined her confidence.

尽管他考试不及格，他并不丧失信心。

B. Although he failed the exam, he didn't lose heart.

另有些人乍一见到非同寻常的困难便丧失信心.

Others lose heart at the first sight of unusual difficulties.

尽管他考试不及格，他已经尽力了，他并不丧失信心。

Although he failed the exam, he has tried his best, and he did not lose heart.