You better off do sth. 写个例句谢谢。 是要做还是不要做？

better off ----adv. 情况更好。He'd be better off going to the police about it.
他最好把这件事报告警方.

应该是You'd better off do sth.吧。——你最好去干什么。。。

You'd better off finish your work first.
你最好先做完你的工作。

He will be better off in hospital.
他住院留医的话，病情定会好转。