She was out of practice at singing.

她对唱歌荒疏了。

《新英汉大辞典》

I can't speak English fluently as I am out of practice.

我不能流利地说英语，因为我已荒疏了。

《新英汉大辞典》

After a few more climbs, once to the top of the domed reservoir, my fear seemed to evaporate in the warm midnight air—I had simply been out of practice.

爬过几次后，只要爬到半球形蓄水池顶，我的恐惧似乎就在午夜温暖的空气中蒸发了——原来，只是我久不练习而已。

youdao

Regehr and C Steve Ott were held out of practice, and should be ready to play Tuesday.

WSJ: Sabres open to dealing before NHL trade deadline

Regehr was held out of practice in Buffalo on Monday, before the Sabres traveled to Pittsburgh, where they'll play on Tuesday night.

WSJ: LA Kings acquire D Robyn Regehr from Buffalo

And the fact is that most of us are out of practice, and thus, are likely out of touch with how fast-growing companies hire now.

FORBES: Magazine Article