You had best go with him.是什么意思？

You had best go with him.

你最好是跟他去.

you

pron. 你，你们，您们，各位，大家；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

had

v. 有（ have的过去式和过去分词 ），（亲属关系中）接受，拿，买到；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

best

adj. 最好的( good和well的最高级)，最愉快的，最幸福的，最合适的；adv. 最好地，最出色地，最高标准地；n. 佼佼者，（个人的）最高水平，最重要的优越性，最好的东西，最合乎要求的事物；vt. [口]打败，胜过；

例句
He has the ability to bring out the best in others.
他能做到扬人之长。

go

vi. 走，离开，去做，进

例句
I would love to go abroad this year, perhaps to the South of France.
我今年很想出国，可能是去法国南部。

with

prep. 和，跟，随着，关于，和…一致；

例句
A waiter entered with a tray...
侍者端着托盘进来了。

him

pron. (he的宾格)他；

例句
They said goodbye to him as he got aboard the train at Union Station.
当他在联合火车站登上火车之际，他们向他道别。