C2 不可草率对待,不能忽视If something is not said or treated lightly, it is said or treated in a serious way, after great thought.
Accusations like these from a top minister are not made lightly. 高级部长提出这样的指控不可等闲视之。
She is a psychopath, and I don't use the term lightly.
That risks putting people out of work, which you certainly shouldn't do lightly.
Having a child wasn't a decision we took lightly.
I have complete confidence in this guy. And I don't say that lightly.
See also: lightly (NOT SERIOUSLY)