n.

1. 语言；语言文字[U]
   Language is an instrument for communication.

   语言是交际的工具。

2. （国家、民族等的）语言文字[C]
   He can speak several languages.

   他会讲好几种语言。

3. （使用文字以外的）表达方式；（动物的）表意方式[C][U]
   The deaf and mute communicate by sign language.

   聋哑人用手势交际。

4. 语言风格[U]
   His prose is written in elegant language.

   他的散文写得十分优雅。

5. 强烈的言词，骂人的话[U]
   You shouldn't use such strong language.

   你不应该使用这样强硬的措词。

n.

1. the method of human communication, either spoken or written, consisting of the use of words in a structured and conventional way.
   ▸any method of expression or communication:

   body language.
2. the system of communication used by a particular community or country.
   ▸the phraseology and vocabulary of a particular group.
   ▸Computing  a system of symbols and rules for writing programs or algorithms.
3. the manner or style of a piece of writing or speech.
   ▸ (usu. bad/foul/strong language) crude or offensive language.