He still has a childish attitude and is mischievous.
For naive childish attitudes, Karen would do.
The first thing we had to do was to repent of our childish attitude.
I regarded him grimly, remembering that he'd always been handicapped, for this profession, by a lot of childish attitudes.
It was an infantile, childish attitude for her to possess, but Selar nonetheless felt as if this was all profoundly unfair, somehow.
Natasha is deeply disappointed with this childish attitude and reminds the girls they are there to compete and show an adult behavior.
It was a stupid, childish attitude to adopt, but I hadn't been able to see it until I saw it from the outside.
I'm considering it--being so tired of dealing with his tantrums and childish attitudes.
Rockswell is a man with a childish attitude, which is part of why no one at the academy likes him.
Maybe hers was a childish attitude after all, she thought.