swear offvow to abstain from 发誓不再;发誓戒掉 * He finally made up his mind to swear off smoking. 最后他决心戒烟。 * Since his illness, he has sworn off drinking. 生病以后,他已发誓戒酒。swear off发誓禁绝:Adam swore off drinking and smoking upon a doctor’s advice.在一位医生的劝告下,亚当发誓禁酒戒烟。 |