know something like the back of your hand idiom informal
精通;对…了如指掌
to have very good and detailed knowledge of something
I know this area like the back of my hand. 我对这一地区了如指掌。
| 单词 | know something like the back of your hand |
| 释义 | know something like the back of your hand idiom informal 精通;对…了如指掌 to have very good and detailed knowledge of something I know this area like the back of my hand. 我对这一地区了如指掌。 |
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