(of rain, snow, etc) not begin （指雨、雪等）未下
*The fete will go ahead provided the rain keeps off. 要是不下雨, 义卖会就照常进行. keep off (sb/sth) not approach, touch, etc sb/sth 不接近或不接触某人[某事物]. keep off sth
(a) not eat, drink or smoke sth 不吃、不喝或不吸食某物
*keep off cigarettes, drugs, drink, fatty foods 不抽烟、不吸毒、不喝酒、不吃多油脂的食物.
(b) not mention (the specified subject); avoid 不提（某话题）; 避免
*Please keep off (the subject of) politics while my father's here. 有我父亲在场, 请别谈政治. keep sb/sth off (sb/sth) cause sb/sth not to approach, touch, etc sb/sth 使某人[某事物]不接近或不接触某人[某事物]
*They lit a fire to keep wild animals off. 他们燃起篝火防止野兽接近.
* Keep your hands off (ie Do not touch) me! 别碰我!