A : Let's put some toothpaste on it.
B : Do you want grape-flavored toothpaste?
A : 치약 짜줄게.
B : 포도 맛 치약 할까?
A : Do you want to try it yourself?
B : Rub your hands together.
A : 혼자서 해볼까?
B : 손을 비벼보세요.