informal [ɪnˈfɔ:rml]

例句:

• It will be an informal, joyful learning process.
  来自BBC
• Council members are due to have informal discussions later on today.
  委员会成员定于今日晚些时候进行非正式讨论。
  
• The two leaders will retire to Camp David for informal discussions.
  两位领导人将到戴维营进行非正式讨论。
  
• Our aim was that these meetings be unstructured and informal.
  我们的目的是，这些会议不事先进行精心组织，要随意一些。
  
• It's also quite a light-hearted and informal expression.
  来自BBC
• Which informal verb means 'to study very hard'?
  来自BBC
• They agreed to hold an informal meeting.
  他们同意举行一次非正式的会议。
  来自《权威词典》
• The party will be informal, so you needn't dress up.
  这场聚会是非正式的,因此你不必盛装。
  来自《权威词典》