recognize 
英 [ˈrɛkəɡˌnaɪz]  美 [ˈrekəɡnaɪz] 
v. 认出，识别；承认；确认；具结

例句：
The receptionist recognized him at once. 

接待员一下就认出了他。

She didn't recognise me at first. 

起先她没有认出我来。

I recognized him by his walk. 

我从他走路的样子认出了他。

You'll recognize me by my red hair. 

你从我的红头发就能认出我来。

He was one of the few people to recognize the problem. 

他是少数几个意识到那个问题的人之一。

They have been slow to recognize the need for change. 

他们没有及时认识到作出改变的必要性。