Don't run too fast, or you might fall over.

别跑得太快，要不你会摔跤的。

youdao

Don't cycle too fast or you'll fall off.

不要骑的太快，要不然你就会从车上摔下来。

youdao

Don't cycle too fast or you'll fall off.

不要骑的太快，要不然你就会从车上摔下来。

youdao