He is addicted to smoking.

他嗜烟成瘾。

《新英汉大辞典》

Instead, like so many other teenagers, Nadia, 15, is addicted to the Internet.

跟大多数青少年一样，15岁的Nadia沉迷于网络，而不是阅读。

youdao

I HAVE a good friend who, like countless others, is addicted to Googling ex-boyfriends.

我有一个闺蜜，她和其他很多人一样，喜欢在网上搜索历任男友的近况。

youdao

The Canadian movie "Addicted to Plastic" is about plastic pollution.

VOA: special.2009.03.25

Roth, 57, is an engineer who owns four high-performance cars because he is addicted to speed.

FORBES: Lighting up Nortel

McCaw is a visionary who is addicted to leverage and sometimes it comes home to haunt him.

FORBES: Sprint's Hesse Underbidding For Clearwire, Still Hopes Shareholders Can Be Duped

She writes a small business blog, a publishing and social media blog, and she is addicted to Twitter.

FORBES: Should You Leave Facebook? EdgeRank Confusion, Promoted Posts, and Why Small Business Owners Are Exceedingly Frustrated