He turned to crime to support his drug habit.

他为维持吸毒的恶习而走上犯罪的道路。

《牛津词典》

She's kicked her drug habit and learned that her life has value.

她已经戒掉吸毒的恶习，懂得了她的生命有价值。

《柯林斯英汉双解大词典》

His claims of quitting a serious drug habit on his own, however, is perhaps one of his least eccentric statements.

然而，他对自己戒掉严重的吸毒习惯的言语，可能是他说的最正常点的一句话了。

youdao

Two years ago I gave up the drug-company habit.

ECONOMIST: Aiding Africa

Surveys find that perpetrators committed their crimes to support their drug habit or to defend their drug-dealing business.

FORBES: Am I Safer If My Neighbor Has A Gun?

Most of these nations have had a long-standing habit of putting off real reform by taking the drug of currency devaluation.

FORBES: Fact and Comment