willful
adjective (North American English)(also wilful especially in British English)
(disapproving)- [usually before noun] (formal, disapproving or
law 法律 (of a bad or harmful action 不友好或有害行爲 done deliberately, although the person doing it knows that it is wrong 故意的；有意的；成心的 willful damage 故意損壞
determined to do what you want; not caring about what other people want 任性的；固執的；倔強的 a willful child 任性的孩子