Do it right this time. Don't fail me.

这次要办成。别让我失望。

youdao

The entire body is in a state of high alert, ready to stay and fight or say "Feet don't fail me now".

整个人都处于高度戒备，要么呆在那不动，或者人蛇大战，再或者告诉自己“我一点都不怕”。

youdao

Me? Fail? I don't think so.

我？失败？我可不这样认为。

《牛津词典》

They don't say to me, six bodies,one of them must fail.

他们没有告诉我，6个人当中要有1个挂科。

麻省理工公开课 - 固态化学导论课程节选

He didn't say if your crops fail, don't give me any tithe or if you have a bumper crop, give me triple tithe.

WSJ: The Wall Street Journal: Ben Carson for President