adj.故意的，有意的，成心的，任性的，固执的，倔强的

She was accused of being wilful and refusing to cooperate with the investigation.
她被指控故意不合作，拒绝配合调查。
The child's wilful disobedience caused his parents much frustration.
孩子的任性不服从让父母感到非常烦恼。
He displayed a wilful disregard for the rules, leading to his suspension from the team.
他故意无视规则，结果被球队暂停资格。
Her wilfulness in ignoring her health issues led to a serious decline in her well-being.
她对健康问题的顽固忽视导致了身体状况严重恶化。
The driver's wilful speeding contributed to the tragic accident.
司机故意超速驾驶是造成这场惨剧的原因之一。
She chose to remain wilful, even when everyone around her was urging her to change her mind.
尽管周围的人都劝说，她还是坚持己见，十分固执。
His wilful procrastination on important tasks hindered the progress of the project.
他在重要任务上的拖延行为阻碍了项目的进程。
The lawyer argued that the defendant's actions were not out of malice, but rather a result of wilful ignorance.
律师辩称被告的行为并非出于恶意，而是由于无知造成的。
In the face of criticism, he maintained a wilful silence, refusing to engage in any debate.
面对批评，他选择保持沉默，坚决不参与讨论。
The company decided to punish the wilful employees by withholding their bonuses for the month.
公司决定对那些故意违规的员工扣发本月奖金作为惩罚。