英语是世界上口语用得最多的语言。

English is the most widely spoken language in the world.

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俚语是一种通俗的口语用语，它经常使用于日常口头的交际活动中，不光大说，小孩也会讲；

The slang is one kind of popular spoken language terminology, it frequently uses in the daily oral human relations activity, not brilliantly said, the child also can say;

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虽然在邮件中或聊天室里使用口语表达可以接受，但是过度的口语用法会降低一篇正式书面文本的质量。

While it may be acceptable in email or in chat rooms, excessive colloquialism can diminish the quality of a formal written text.

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They use a very colloquial kind of term to dismiss him.

他们用非常口语化的措辞开除了摩西。

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