别担心考试，尽你的最大努力吧。

Don't worry about the exam, just do your best.

youdao

今天尽你的最大努力去做好，明天你也许就能做得更好。

Do your best to do today, tomorrow you might have done better.

youdao

“尽你最大的努力，欢迎你，”那畜生说，“你能给我什么伤害呢？”

"Do your worst, and welcome," said the brute, "what harm can you do me?"

youdao

and you've tried to be the best girlfriend you can.

你也尽最大的努力尝试做一个好女友。

I can't 课堂 - SpeakingMax英语口语达人