及物动词
1. 承认（事实、局面等）
If you acknowledge a fact or a situation, you accept or admit that it is true or that it exists.
2. 公认，认可（某人的成就、地位、品质等）
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.
3. 告知（信函等）的收到;确认…收悉
If you acknowledge a message or letter, you write to the person who sent it in order to say that you have received it.
4. （以点头、微笑等）向…打招呼，理会
If you acknowledge someone, for example by moving your head or smiling, you show that you have seen and recognized them.
5. （对掌声、赞扬、好意等作出姿态表示）感谢
If you acknowledge someone's applause, compliments, or kindness you make a gesture in order to thank them or show your appreciation.
1. accept (someone) to be what is claimed or accept his power and authority
e.g. The Crown Prince was acknowledged as the true heir to the throne
We do not recognize your gods
Synonym: recognizerecogniseknow
2. accept as legally binding and valid
e.g. acknowledge the deed
3. declare to be true or admit the existence or reality or truth of
e.g. He admitted his errors
She acknowledged that she might have forgotten
Synonym: admit
4. express obligation, thanks, or gratitude for
e.g. We must acknowledge the kindness she showed towards us
5. report the receipt of
e.g. The program committee acknowledged the submission of the authors of the paper
Synonym: receipt
6. express recognition of the presence or existence of, or acquaintance with
e.g. He never acknowledges his colleagues when they run into him in the hallway
She acknowledged his complement with a smile
it is important to acknowledge the work of others in one's own writing
Synonym: notice