overhear
Definition
To unintentionally hear a conversation in which one is not involved.
中文 无意中听到自己未参与的谈话。
Example
"I accidentally overheard their private discussion while waiting in the hallway."
To unintentionally hear a conversation in which one is not involved.
中文 无意中听到自己未参与的谈话。
"I accidentally overheard their private discussion while waiting in the hallway."