VERB
（情感、事件等）使不知所措，使难以承受
If you are overwhelmed by a feeling or event, it affects you very strongly, and you do not know how to deal with it.
例句
He was overwhelmed by a longing for times past...
他一心渴望回到从前。
The need to talk to someone, anyone, overwhelmed her.
她迫不及待地要找个人说说话，随便是谁都行。