addict

addict的解释
v. 使...耽溺,使...上瘾
n. 耽溺者,上瘾者
addict的例句
He was addicted to cocaine.
他吸可卡因上瘾

There are no lengths to which an addict will not go to obtain his drug.
瘾君子为了得到毒品什麽事都做得出来.