it's time for do well in

it's time for是…的时候了；该是
It's time formeto go.
我该去了.
It's time for dinner.Mother keeps the knives with the forks.
到吃饭时间了,妈妈将刀叉放在一起.
do well in 在……某方面干得好
My economics tutor says that I should be studying harder if I want to do well in my exams.
我的经济学导师说,如果我想在考试中取得好成绩,就应该更努力地学习.