titter /ˈtɪtə/ (tittering,tittered,titters)

• 1.  

  V-I（不及物动词） If someone titters, they give a short nervous laugh, especially when they are embarrassed about something. 窃笑

  例：

  Mention sex therapy and most people will titter in embarrassment.

  提到性疗法，许多人会尴尬地窃笑。

• 2.  

  N-COUNT（可数名词） Titter is also a noun. 窃笑

  例：

  Mollie gave an uneasy little titter.

  莫莉不自在地微微窃笑了一下。

• 3.  

  N-UNCOUNT（不可数名词） tittering

  例：

  There was nervous tittering in the studio audience.

  演播室观众席中传来紧张的窃笑声。