"have an eye on" in Chinese (Simplified)
盯上留意
Definition
仔细看着某物或某人，可能是因为感兴趣、想得到，或是为了安全而看管。
Usage Notes (Chinese (Simplified))
非正式表达，既可指想买、喜欢某物，也可指照看、看管人或物。有时含有暧昧、喜欢的意味。不是字面意思。
Examples
I have an eye on that new phone at the store.
我在商店里**盯上了**那部新手机。
Can you have an eye on my bag while I go to the bathroom?
我去洗手间时你能帮我**看着**我的包吗？
Teachers have an eye on the students during the trip.
老师们在出游时**留意**学生。
I've had my eye on that apartment for weeks; I hope it doesn't get rented.
那个公寓我**盯了**好几周了，希望没人租走。
If you're planning to leave early, I'll have an eye on your desk for you.
如果你打算早点走，我会帮你**留意**你的桌子。
He definitely has an eye on you—I saw the way he looked during lunch.
他绝对**对你有意思**——我在午餐时看到了他的眼神。