n.有意；故意

His willfulness was the cause of many family arguments.
他的固执是许多家庭争吵的原因。
She refused to yield to his willfulness, standing her ground firmly.
她拒绝屈服于他的任性，坚决地坚持自己的立场。
The child's willfulness knows no bounds, testing the patience of his parents.
孩子的倔强没有边界，考验着父母的耐心。
After much persuasion, she finally overcame her willfulness and agreed to compromise.
经过多次劝说，她终于克服了任性和对方达成妥协。
His willfulness led him down a dangerous path, away from his friends and loved ones.
他的固执使他走上了一条危险的道路，远离了他的朋友和亲人。
The teacher tried to channel the student's willfulness into productive activities.
老师试图引导学生的固执去参与有成效的活动。
It took a lot of understanding and patience to deal with her willfulness.
理解和耐心是应对她的任性的关键。
Despite his willfulness, he couldn't deny the facts presented to him.
尽管他很固执，但他无法否认摆在面前的事实。
Her willfulness sometimes bordered on obstinacy, making it hard for others to sway her opinion.
她的固执有时接近顽固，使得其他人很难改变她的观点。
In time, the boy learned to temper his willfulness and consider the feelings of others.
随着时间的推移，男孩学会了控制自己的固执，并考虑到他人的感受。