Steady! Don't fall off.
小心！别摔下来。
Leaves fall off the trees in the autumn.
秋天，树叶纷纷从树上掉下来。
Get off the bus after it came to a stop.; Don't get out until the bus stops.
等车站稳再下。
Just get off my back, will you!
请别烦我了好吗！
He seems to live off junk food.
他好像靠吃垃圾食品为生。
I'm going to live off campus if I can find somewhere cheap enough
要是能找到足够便宜的地方，我就不在校园里住了。