have sth. at one's fingers

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英文单词: have sth. at one's fingers
中文翻译: 对某事了如指掌, 精通某事物

词汇解析

对某事了如指掌, 精通某事物

常见用法

have sth. at one's fingers 的常见用法:

1
have sth. at one's fingersing
2
the have sth. at one's fingers
3
to have sth. at one's fingers
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