[yǐn]
[名]
（不良的癖好） addiction; habitual craving
drug addiction
毒瘾
have an urge to smoke; crave a cigarette
发烟瘾
satisfy a craving
过瘾
be addicted to drugs; be a drug addict
吸毒上瘾
He addicted himself to drinking.
他喝酒成瘾。
（浓厚的兴趣） strong interest (in a sport or pastime)
have a passion for ball games
有球瘾
He's crazy about novels.
他看小说看上瘾了。