She was out of practice at singing.

她对唱歌荒疏了。

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。

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。

Don't ask me to speak French! I'm out of practice.

可别让我讲法语！我已经生疏了。

We're out of practice.

我们缺乏练习。