overhear /ˌəʊvəˈhɪə/ CET6 TEM4 ( overhearing, overheard, overhears )

• 1. 

  V-T If you overhear someone, you hear what they are saying when they are not talking to you and they do not know that you are listening. 无意中听到

  例：

  I overheard two doctors discussing my case.

  我无意中听到两个医生在讨论我的病例。