do as you think best idiom (also do what you think is best)
你认为怎么好就怎么做
to choose the action that you judge to be most suitable
"Do you think I should take this job or try for another?" "You should do as you think best." “你认为我应该接受这份工作呢，还是另找一份试试？”“你认为怎么好就怎么做吧。”