look over、check over、examine有什么区别

1）look over 指检查时：If you look something over, you examine it in order to get an idea of what it is like. 检查 【即你仔细检查的目的是想知道这个东西是怎么样的】
如：They presented their draft to the president, who looked it over, nodded and signed it.
他们把草案呈交给总统，总统看了看，点了点头，签了字。

2）check over 主要是看一下check的意思
If you check something such as a piece of information or a document, you make sure that it is correct or satisfactory. 检查; 核实 【如果，你检查信息或文件的话，是为了确定是否准确】
如：He always checked the manuscript over carefully before passing it to the typist.
他总是先将手稿仔细检查一遍再交给打字员。【检查看是否准确哦】

3）examine If you examine something, you look at it carefully. 仔细检查 【没有说检查的目的，即目的性不是很明确哦】
如： He examined her passport and stamped it.
他仔细检查了她的护照，然后在上面盖了章。

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