形容人眼尖怎么说英语

To describe someone as having "sharp eyes," you could say that they are "perceptive" or "observant." You could also say that they have "keen eyesight" or are "quick to notice details." Here are some example sentences:
She has a sharp eye for detail, so she always catches mistakes that others miss.
He's very perceptive and can always tell when something is off.
She has keen eyesight and can spot a bird in a tree from a mile away.
He's quick to notice details that others might miss, so he's always the first to spot any problems.