Steady! Don't fall off.

　　小心！別摔下來(lái)。

　　Leaves fall off the trees in the autumn.

　　秋天，樹(shù)葉紛紛從樹(shù)上掉下來(lái)。

　　Get off the bus after it came to a stop.; Don't get out until the bus stops.

　　等車(chē)站穩再下。

　　Just get off my back, will you!

　　請別煩我了好嗎！

　　He seems to live off junk food.

　　他好像靠吃垃圾食品為生。

　　I'm going to live off campus if I can find somewhere cheap enough

　　要是能找到足夠便宜的地方，我就不在校園里住了。