spring on
US /sprɪŋ ɑːn/
UK /sprɪŋ ɑːn/
1.
突然提出, 突然告知
to suddenly present something to someone, especially in a surprising or unexpected way
:
•
Don't spring that question on me now; I need time to think.
别现在突然把这个问题抛给我；我需要时间思考。
•
They decided to spring the news on him at the party.
他们决定在派对上突然告诉他这个消息。