on a dime

US /ɑn ə daɪm/
UK /ɑn ə daɪm/
"on a dime" picture
1.

瞬间, 在很小的空间里

very quickly; in a very small space

:
The sports car can turn on a dime.
这辆跑车可以瞬间转弯。
The dancer changed direction on a dime, impressing the audience.
舞者瞬间改变方向,给观众留下了深刻印象。