petulant

adj

Childishly irritable. / (obsolete) Forward; pert; insolent; wanton.

She became petulant when she didn't get her way.

意味（1）

Childishly irritable.

Lack of sleep is causing Dave's recent petulant behavior.

意味（2）

(obsolete) Forward; pert; insolent; wanton.

Who hath not like cause to complain, and is not so troubled, that shall fall into the mouths of such men? for many are of so petulant a spleen