overhear
🇺🇸
/ˌəʊvərˈhɪr/
🇬🇧
/ˌəʊvəˈhɪə(r)/
to accidentally hear someone else's conversation
I overheard my neighbors talking about a party next door.
我無意中聽到鄰居們在談論隔壁的派對。