insist on sth./doing sth.

insist on sth./doing sth.坚决要求，执意继续做

【例句】

◆ No matter what others have said．he insists on his decision．不管别人说了什么，他坚持他的决定。 

◆Recently he has been refusing to do his homework, and instead inside on wasting his time watching DVDs and listening to foreign music．最近，他一直拒绝做家庭作业，相反却执意把时间浪费在看碟片、听外国音乐上。（牛津版，必修①，Unit 2）