bratty
adjective uk/ˈbræt.i/ us/ˈbræt̬.i/
（举止）顽劣的
a bratty child or person behaves badly, especially because they expect to get everything that they want
She has to deal with her bratty younger brother. 她不得不对付她举止顽劣的弟弟。
All that praise encourages bratty behaviour. 所有那些夸奖都在鼓励顽劣行为。