Colloquial expression is an important property of spoken English.

口语惯用语是英语口语的一个重要组成部分.

Bird - A colloquial expression used to refer to a communications satellite.

飞鸟 - 对通讯卫星的一种形象表述.

Transliterating with notes and literal translating are applied for colloquial expression;

用音译、音译加注释和直译来翻译生动的方言；

A colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech.

一种口语表述；特征是试图模仿非正式用语的口头或者书面交流。

This is a common colloquial expression which originated in the ghettos and has reached mainstream middle class American society.

这是一个普遍使用的口语化表达，它起源于贫民区，并且流传到美国社会主流中产阶级。