on the spur of the moment
US /ɑn ðə spɜr əv ðə ˈmoʊmənt/
UK /ɑn ðə spɜr əv ðə ˈmoʊmənt/
1.
一时兴起, 心血来潮
without planning or thinking about it in advance
:
•
We decided to go to the beach on the spur of the moment.
我们一时兴起决定去海滩。
•
He bought the car on the spur of the moment without much thought.
他一时冲动就买了那辆车，没怎么考虑。