do one’s utmost; go ahead; take care of oneself ❍ 望你～，…… (罗广斌、杨益言《红岩》553) I trust you will do your utmost.…/戴先生，你很聪明。鹏程万里，～吧！ (杨沫《青春之歌》189) You are a clever man,Mr Dai. You will go a long way if you take care of yourself.
好自为之
behave (or conduct) oneself well;look out for oneself;do one’s best 你要把握时机，～。You must grasp your opportunity firmly and make the best of it.
好自为之hǎo zì wéi zhī
劝别人要好好地活（干）下去。conduct oneself well, do one’s utmost, go ahead