Many lives have been ruined by skag addiction.

许多人的生活被海洛因成瘾毁了。

He was caught trying to sell skag on the street.

他在街上试图卖海洛因时被抓住了。

He decided to quit skag after hitting rock bottom.

他在跌到谷底后决定戒掉海洛因。

The police found a stash of skag in his apartment.

警察在他的公寓里发现了一批海洛因。

She warned her friend about the dangers of using skag.

她警告她的朋友使用海洛因的危险。