这是更为强悍的用手在后面，尽你最大努力不把下巴，但把你的头回来。

This is much tougher with the hands behind, and try your best to NOT tuck the chin, but lay your head back.

youdao

这对那些工作日起来很早但周末熬夜到很晚的人有些艰难，但尽你最大努力在工作日和周末之间规划出一个折中方案。

This can be tough for those who have to get up early during the week but like to stay up later on weekends, but do your best to craft a compromise between your work week and weekend habits.

youdao

你可以尽最大的努力给面试者留下深刻的印象，不过最终常常只是视乎运气。

You can try your best to impress the interviewers but in the end it's often just a question of luck.

《牛津词典》

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