let up

US /lɛt ʌp/
UK /lɛt ʌp/
"let up" picture
1.

停止, 减弱, 好转

to become less intense, stop, or improve

:
The rain finally let up after an hour.
雨下了一个小时后终于停了
She won't let up until she gets what she wants.
她不会罢休,直到她得到她想要的东西。