keep off(使)不接近;挡住;(雨、雪等)没有下;(使)不接近于;
例如Keep off the grass, please!
Keep off the lawn [ grass].
请勿践踏草地。
Keep off at your peril!
走开,否则发生危险自己负责!
The doctor has advised him to keep off fattening food.
医生已建议他不要吃致肥食物。
水利万物而不争,
而万物莫能与之争。