He plays soccer more skillfully than his brother does

->his brother plays.he does

His brother plays soccer less skillfully than he does

-> So sánh hơn: S + V + more/less + adj/adv + than + O

+ more dùng cho hơn

+ less dùng cho ít hơn

Tạm dịch: Anh trai của anh ấy chơi ít điêu luyện hơn anh ấy