n.節(jié)制者；戒酒者

He swore to abstain from smoking. 他發(fā)誓要戒煙。

The doctor asked the patient to abstain from smoking. 醫(yī)生叫這位病人戒煙。

The doctor has advised him to abstain from smoking. 醫(yī)生已經(jīng)勸他戒煙。

It is hard to abstain smoking and drinking . 戒煙戒酒并不是一件容易的事情。

I abstain from drinking alcohol. 我不喝酒。