承認的英文：
to admit; to recognize; to acknowledge; to allow; to confess; to own; to concede

admit是什么意思：
v. 承认；招供；准许进入

Children are admitted free.
孩子们免费入场。

Bournemouth, you have to admit, has style.
你不得不承认伯恩茅斯是个很有格调的地方。

Children unaccompanied by an adult will not be admitted.
儿童无成人带领不得入内.

recognize是什么意思：
v. 认出，识别；承认；确认；具结

to recognize the worth of someone; to appreciate
赏识

How to recognize abusive situations?
如何识别有虐待的情况？

There was in fact a recognized tariff for the scout on such occasion.
事实上，遇到这种宴会，总要给校工一笔小费。

acknowledge是什么意思：
v. 承认；供认；确认；为…感谢；接受；承认

He acknowledged the greeting with a nod.
他点了点头，回应了对他的问候。

This report is an acknowledgment of the size of the problem.
这个报告承认了问题的严重性。

They acknowledged the enthusiastic plaudits of the crowd.
他们对人群中爆发的热烈喝采答礼。