例句：
1、You'd better see a doctor about that cough.
你最好找医生治治你的咳嗽。
2、You'd better look sharp or you'll be late.
你得快点，不然就迟到了。
3、You'd better go to bed and nurse that cold.
你最好上床睡觉，把感冒治好。
4、You'd better get rid of that attitude and shape up, young man.
年轻人，你最好改掉那种态度，学学好。
5、You'd better check with Jane what time she's expecting us tonight.
你最好向简核实一下她今晚要见我们的时间。