Hands with painted fingernails unscrewing nail polish.
Handen met geschilderde vingernagels unscrewing nagellak.
They are painting their nails.
Ze schilderen hun nagels.
There was no implication that they were painting their nails in the first statement, rather that, they were opening a nail polish.
Er was geen implicatie dat ze hun nagels schilderden in de eerste verklaring, eerder dat ze een nagellak openden.