You were quite right to criticize him.是什么意思？

You were quite right to criticize him.

你批评他批评得很对。

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。

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

quite

adv. 相当，很，非常，确实如此；

例句
For a novelist, that's quite an accomplishment...
对于一位小说家来说，那是相当了不起的成就。

right

adv. 立刻，马上，向右，右边，恰当地，一直；adj. 右方的，正确的，合适的，好的，正常的；n. 正确，正当，右边，权利，右手；vt. 纠正，扶直，使正，整理，补偿；vi. （船舶等）复正，恢复平稳；

例句
Outsiders who wed islanders are given only three years' right of abode at first.
岛外的人和岛民结婚之初只能获得三年的居住权。

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；

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

criticize

vt.& vi. 分析，评估，批评，挑剔；

例句
You eat her food, enjoy her hospitality and then criticize her behind her back.
你吃着她的食物，享受着她的款待，然后还在背地里指责她。

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。