Hayley教口語，“免得生疏”用英語怎么說？

mainly UK

to practise a skill often enough so that you do not lose the skill

經常練習(以免技藝荒疏)

I do a bit of teaching now and then just to keep my hand in.

我有時教一點書，只是不想讓自己荒疏了。

I also did a bit of book reviewing to keep my hand in.

我還寫了一些書評，免得自己生疏。

You should at least work part-time, just to keep your hand in.

你至少應該做一份兼職工作，免得生疏了。