You use compulsive to describe people or their behaviour when they cannot stop doing something wrong, harmful, or unnecessary.
a compulsive liar.
一个说谎成性的人。
He was a compulsive gambler and often heavily in debt.
他是一个嗜赌如命的赌徒,常常债台高筑。
If a book or television programme is compulsive, it is so interesting that you do not want to stop reading or watching it.
Her new series is compulsive viewing.
她的新系列节目引人入胜。