out of practice

形容词 out of practice:

1. impaired in skill by neglect
   同义词：rusty

1. I used to be good at cricket, but now I'm out of practice.
   我板球曾打得很好，可惜现在已生疏了。
2. If you don't play, you'll get out of practice.
   不练习就会荒疏。