You can't blame anyone in case you fail the exam.

万一你考试不及格，你不能怪罪任何人。

youdao

In case you fail, don't be discouraged. Keep trying.

假如你失败了，不要气馁，要继续努力。

youdao

In case you fail again you still can come back next year.

万一你再次没过，明年还可以再来的。

youdao

Even today in the world of satellite based GPS and the fairly exact positioning information it can provide, it is always best to have a paper chart or map and the needed tools in case your electronic ones fail so you are not left stranded and unable to find your way home.

FORBES: DEDuced Reckoning is Assembling the Mosaic!