Verb
take lightly (third-person singular simple present takes lightly, present participle taking lightly, simple past took lightly, past participle taken lightly)
(idiomatic, transitive, chiefly in the negative) To treat casually, without seriousness or worry.
Synonym: make light of
Antonym: take seriously
Never forget what Jesus did for you. Never take lightly what it cost Him. And never assume that if it cost Him His very life, that it won't also cost you yours. Rich Mullins
Be convinced that to be happy means to be free and that to be free means to be brave. Therefore do not take lightly the perils of war. Thucydides
I could not take lightly the idea that people made love without me. Jean Genet
Every opportunity that comes your way, you can't take lightly. You have to take it very, very seriously, because the opportunities are limited. If you want to keep working, you can't be such an elitist, to say no, that's not good enough, not big enough, not smart enough, whatever. Chris Klein
All I know is that when you make a movie it's something you have to live with forever. It's not a job I take lightly. Leonardo DiCaprio
Playing in New England and the Boston area, the fans are so passionate about their sports if you don't play well, they'll let you know so I know it's not something that they take lightly. Drew Bledsoe