•I'm quite good at tennis but I need to practise my serve.我网球打得不错，不过我需要练习发球。

•She practises the violin every day.她每天都练习拉小提琴。

•[+ -ing verb] His written French is very good but he needs to practise speaking it.他的法语写得不错，但他需要练习口语。

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•How long have you been practising as a dentist?你从事牙医这一行有多久了？

•She practised medicine for twenty years.她行医20年。

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•The new government has promised all citizens the right to practise their religion.新政府已保证全体公民享有宗教信仰自由的权利。

•Practising safe sex is an important way of avoiding HIV infection.安全性行为是避免感染爱滋病的重要方式。

•The company denies that it has practised discrimination against any of its employees.公司否认对任何员工有歧视。

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•He's such a hypocrite! He never practises what he preaches.他真是个伪君子！他从来都是言行不一。