| 词汇 | keep your hand in | 
| 释义 | keep your hand in idiom mainly UK   经常练习(以免技艺荒疏) to practise a skill often enough so that you do not lose the skill  I do a bit of teaching now and then just to keep my hand in. 我有时教一点书,只是不想让自己荒疏了。  | 
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