colloquialisms

例句:

• There are as many colloquialisms in Japanese as are in Chinese.
  中日文中存在着大量的四字熟语.
  
• It is getting better, but It'still struggles with colloquialisms and idioms.
  机器翻译的质量虽然有所改善, 但翻译起口语体和习语来还是困难重重.
  
• It's hard to imagine a rapper who uses British colloquialisms or subjects getting away with this approach.
  来自BBC
• There are always going to be colloquialisms in my work that non-Indians aren't going to understand.
  来自VOA