have an eye for 表示“对...有鉴赏眼光；对...有眼力；对...有鉴别力”。

【例句】
You have an eye for design. I absolutely love it.
你在设计方面一向很有眼光我非常喜欢。

A good artist must have an eye for color.
好的艺术家必须要对色彩有眼力。