Joony teases the trio's while watching their performance on the rooftop.  Suggesting they should try to be more like the famed street dancer, Chinu 
What are you going to do...
‫ماذا ستفعل...
Hä? Was hast du mit mir vor?
¿Qué? ¿Qué harás…?
¿Qué? ¿Qué vas a hacer…?
Tu vas faire quoi ?
Eh? Cosa vuoi fare?
O que você vai...?
Чего это ты?