Definition: to fall over so that your face hits the ground, often in an embarrassing way Level: B2
她在湿滑的地板上滑倒，脸朝下摔倒了。
She slipped on the wet floor and ___fell ___flat ___on her ___face.
他被一块石头绊倒，脸朝下摔在泥里。
He tripped over a rock and ___fell ___flat ___on his ___face in the mud.
如果你跑得太快，可能会脸朝下摔倒。
If you run too fast, you might ___fall ___flat ___on ___your ___face.
