liuruojing
任性rèn xìngcapricious; self-willed; wayward; unrestrained; intractable; headstrong; wilful:任性的小孩 a wilful child他很任性,谁说都不听。 He's headstrong and won't listen to anyone.
A-水灵儿^O^
任性 [简明汉英词典] caprice freeness headiness self-indulgence self-will selfishness unruliness