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

But like many people of the day, it was a practice to snip out little mementos of events, and this particular coat suffered that same fate, in that Alfonso Don would clip pieces away from the coat and give it to people who came to visit and to see the coat.

VOA: special.2009.07.24

For both John of the book of Revelation and for John Milton, it's the superior male of the species that's been singled out for the glorious practice of sexual abstinence.

对约翰的《启示录》和弥尔顿来说，是男人在人类中的优越地位,让禁欲的实行被挑选出来了。

耶鲁公开课 - 弥尔顿课程节选

Now, the purpose of this exercise is to give you a little bit of practice in figuring out what these quantities are.

就有这样的结论,这个练习的作用时让你们理解,这些物理量是什么。

麻省理工公开课 - 热力学与动力学课程节选

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