I'm trying to keep off fatty foods.(我盡量不吃高脂肪食物。)

The afflicted person should keep off solid foods and drink plenty of fluids.(受難的人應該避開固體食物以及喝太多的流質。)

Some bread will keep off hunger for a while.(吃些面包會抵擋一會兒饑餓感。)

Keep off the lawn!(請勿踐踏草坪！)

They lit a fire to keep off wild animals.(他們點燃篝火防止野獸靠近。)

Under your laptop to let it cool, under a piece of wood you're sanding, under a couch leg you're trying to keep off the hardwood.(可以把它墊在你的筆記本電腦下面能讓筆記本能更好地散熱，當你打磨一塊兒木頭時也可以把它墊在下面，還可以把它墊在沙發腿或床腿下來防止劃傷木質地板。)

I managed to stick to the diet and keep off sweet foods.(我設法堅持節食，不吃甜食。)

And look at the slope of the roof, the steep angle helps keep off all that rain and snow that accumulates in the winter.(看看屋頂的斜坡，陡峭的角度有助于阻擋所有在冬天積累的雨雪。)

We'd better keep off the sensitive topic.(我們最好避開這個敏感的話題。)

The doctor advised him to keep off fatty food.(醫生勸告他避免多吃多脂肪的食物。)