letup

名词 letup:

1. a pause during which things are calm or activities are diminished
   同义词：lull

let.up

n.（名词）
A reduction in pace, force, or intensity; a slowdown.
减慢，放松：速度、力量或强度减弱；放慢
A temporary stop; a pause.
停顿：暂时的停顿；暂停