rơi xuống 
to fall down rụng xuống to fall down | Gesture and movement | hinfallen + | to fall down + | Movement upwards and downwards | A |
[ rụng ] : to fall (leaves, flower, fruit, hair)
[ xuống ] : to go down, come down, get out (of a car, vehicle)
Most Common Compounds Set 1:
rơi xuống rụng xuống Most Common Compounds Set 2 :