该词ac-为古英语介词on, 俗化为前缀ac-, 去往。knowledge同know, 知道，了解。

1. You have to acknowledge that we live in a racist society.

你得承认我们生活在一个有种族偏见的社会中。

2. Doran stuck his head out of the window to acknowledge the cheering.

多兰将头探出窗户向欢呼的人们致谢。

3. Some of the clergy refused to acknowledge the new king'slegitimacy.

一部分神职人员拒绝承认新国王的合法地位。

4. Gradually he began to acknowledge his feelings of envy towards his mother.

渐渐地，他开始承认自己羡慕母亲。

5. Social workers went to great pains to acknowledge men's domestic rights.

社会工作者尽量尊重男性的家庭权利。