keep off
Definition: not to begin
Example: Fortunately, the rain kept off until we reached home.
Usage note: used of rain, snow, etc.
keep off something
Definitions: 1. not to eat, drink or smoke something 2. not to mention something
Examples: 1. To lose weight, you must keep off fattening foods. 2. Please keep off politics when you talk to him.
keep somebody off something
Definitions: 1. to prevent somebody from eating, drinking or smoking something 2. to prevent somebody from mentioning something
Examples: 1. All patients are kept off cigarettes and alcohol. 2. During the conversation, I was kept off the subject of football because her father preferred to talk about basketball.
keep off somebody/something
Definition: not to approach somebody/something
Example: Keep off the grass.
keep somebody/something off (somebody/something)
Definition: to prevent somebody/something from approaching (somebody/something)
Example: Is there a way to keep the wild animals off (the camp)?