acknowledge

柯林斯词典

1. V-T If you acknowledge a fact or a situation, you accept or admit that it is true or that it exists. 承认 (事实或情况)[正式]
Naylor acknowledged, in a letter to the judge, that he was a drug addict. 在一封写给法官的信中，内勒承认他是一个吸毒者。
Belatedly, the government has acknowledged the problem. 政府过晚地承认了这个问题。
2. V-T If someone's achievements, status, or qualities are acknowledged, they are known about and recognized by a lot of people, or by a particular group of people. 认可 (某人的成就、地位或品质)
He is also acknowledged as an excellent goalkeeper. 他还被认可为一名优秀的守门员。
3. V-T If you acknowledge a message or letter, you write to the person who sent it in order to say that you have received it. 确认收到
The army sent me a postcard acknowledging my request. 军方寄给我一张明信片以确认收到了我的请求。
4. V-T If you acknowledge someone, for example, by moving your head or smiling, you show that you have seen and recognized them. (点头或微笑) 向…致意
He saw her but refused to even acknowledge her. 他看到了她，但甚至都拒绝向她致意。

Always acknowledge your sources at the end of an essay .
The government has acknowledged that homelessness is a problem but it has failed to grasp the scale of the problem .
It is widely acknowledged that the welfare system is under-resourced.
She acknowledged me with a quick bob of her head .
I regarded her failure to acknowledge my greeting as a slight .