I haven't played tennis for years, so I'm really out of practice.我已经多年不打网球, 技术已经完全荒疏了.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.She was out of practice at singing.她对唱歌荒疏了....

疏于练习，荒疏...

out of practice的音标：out of practice的英式发音音标为：[aut ɔv 'præktis]out of practice的美式发音音标为：[aʊt ʌv 'præktɪs]...