not take (something) lightly

To regard something with a great amount of seriousness or gravity. I hope you aren't taking these allegations lightly—they could mean a life in prison! I can promise you that I won't take this job interview lightly.

Common Names:

Name	Pronounced	Usage
Gianpaolo	jahn-POW-lo	Italian
MiklavŽ	-	Slovene
Abd Al-Kader	-	Arabic
Sanni	-	Finnish
Kimberley	KIM-bər-lee	English
Drago	-	Croatian, Serbian, Slovene