acknowledge/əkˈnɒlɪdʒ/vt.承认(权威、地位)；承认(属实)；(公开)感谢
一、单词记忆
这个单词是由两部分组成的，前面的ac就相当于ad，表示to，“去”的意思，后面的knowledge是知识的意思，这里引申为“知道”的意思。这两部分合在一起，acknowledge的意思就是告诉别人我知道了，所以是“承认”的意思。
二、单词用法
1.acknowledge+nhttp://www.toutiao.com/a7277590838757442060/代词：承认…
She refuses to acknowledge the need for reform.
她拒不承认改革的必要性。
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2.acknowledge that…：承认…
I did not acknowledge that he had done anything wrong.
我没有承认他犯了什么错。
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3.It is generally acknowledged that…：大家公认…
[巩固练习]翻译句子
人们普遍认为丰富的想象力可以在很大程度上弥补材料的缺乏。
It is generally acknowledged that rich imagination can to a great extent make up for a lack of materials.
4.acknowledge doing sthhttp://www.toutiao.com/a7277590838757442060/having done sth.：承认做过
He acknowledged breaking into the garden.
他承认自己闯入了花园。
[巩固练习]语法填空
They acknowledged _______(defeat) by us at last.
答案：being defeated/having been defeated
句意：他们终于承认被我们打败了。
5.acknowledge sbhttp://www.toutiao.com/a7277590838757442060/sth. as/to be…：承认某人/某物是…
He is widely acknowledged as the best player in the world.
普遍认为他是世界最佳球员。
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6.acknowledge sth.：感谢…
I gratefully acknowledge financial support from several local businesses.
我对本地几家企业的资助表示感谢。
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三、拓展
acknowledgement/əkˈnɒlɪdʒmənt/n.承认；感谢
in acknowledgement of：表示对…的感谢
The flowers were a small acknowledgement of your kindness.
这些花聊表谢意，感谢你的好心帮助。
《牛津词典》