the calm before the storm (风暴前的宁静)

Idiom Nature

含义

a peaceful time before trouble begins

问题开始前的平静时光 (wenti kaishi qian de pingjing shiguang)

例句

"The classroom was silent, like the calm before the storm."

"教室里很安静,就像风暴前的宁静。" (jiaoshixi hen anjing, jiuxiang fengbao qian de ningjing)