That tells you whichever eye you'll look through, that mean you're left-eyed or right-eyed.
这就说明了你更习惯于用左眼还是用右眼。
2
The methods have become sophisticated though so it often takes a sharp-eyed referee to make the right call.
现在很多球员对于这一招术的运用非常老到，因此就需要裁判员敏锐的观察力来作出正确的判罚。
3
And although he is an optimist, Mr Kelly has a clear-eyed view of the drawbacks of technology and the difficulty of striking the right balance, at both a personal and societal level, in its adoption.