Lent is a time of cleansing, fasting, abstinence and giving to the poor.四旬斋期间是净化心灵、禁食并布施穷苦人的时候。The program promoted sexual abstinence for young people.那档节目提倡年轻人节制性行为。He started drinking again after a long period of total/complete abstinence from alcohol.他彻底戒酒很长一段时间之后又喝上了。