slang

language, speech, tongue, dialect, idiom, slang

这些名词均含“语言”之意。
language: 普通用词，含义广。指人的语言或文字，或动物的语言。既可指口头或书面语言，也可指手势语等。
speech: 特指人的口语，也指正式的讲话。
tongue: 书面用词，指人的语言，亦指人的母语。
dialect: 指一种语言中，某一地方所特有的语言形式，即方言。
idiom: 指一种语言中一般由几个词结合成短语或句子的特殊表达方式，即惯用语、成语。也指方言。
slang: 指俚语。

名词 slang:

1. informal language consisting of words and expressions that are not considered appropriate for formal occasions; often vituperative or vulgar
   同义词：slang expression, slang term
2. a characteristic language of a particular group (as among thieves)
   同义词：cant, jargon, lingo, argot, patois, vernacular

动词 slang:

1. use slang or vulgar language
2. fool or hoax
   同义词：gull, dupe, befool, cod, fool, put on, take in, put one over, put one across
3. abuse with coarse language

1. Slang insinuates itself into the language.
   俚语慢慢地渗入语言中。
2. "Skint" and "broke" are slang words for "having no money".
   "skint"和"broke"是"没有钱"的俚语。
3. "Grass" is a criminal slang for "informer".
   grass 是罪犯用的俚语，意思是“告密的人”。