on and off
US /ɑn ənd ɔf/
UK /ɒn ənd ɒf/
短語
斷斷續續地, 時有時無地
not continuously; intermittently
範例:
•
We've been dating on and off for years.
我們斷斷續續地約會了好幾年。
•
It rained on and off all morning.
整個上午雨下得斷斷續續。