cheekiness

noun [抽象名词]厚脸皮

The cheeks should be relatively flat and not bulge (cheekiness), maintaining the clean lines of the skull and should taper into the muzzle in a slight, graceful curve.
面颊相对平坦，不能凸出(厚脸皮)，维持脑袋简洁的轮廓线，向口吻方向略略变窄，呈优美的锥形。