使气馁； 使沮丧；使泄气；使丧失信心。

Don't let one failure discourage you.

youdao

如果答案是否定的话，就会导致更多的人失业并使人们对2009年的复苏丧失信心。

If not, it will translate into more job losses and erase any optimism about a rebound in 2009.

youdao

在我的全部公职生活中，我总是为使法国强大而工作着。甚至在最黑暗的日子里，我也不曾对它的命运丧失信心。

In all my public life, I always make for a strong and work in France, even in the darkest Days, I do not have the fate of its loss of confidence.

youdao