1. 漫步;闲逛;游荡
    If you wander in a place, you walk around there in a casual way, often without intending to go in any particular direction.

    e.g. When he got bored he wandered around the fair...
           他烦了就去集市上逛逛。
    e.g. They wandered off in the direction of the nearest store...
           他们信步朝最近的商店走去。

2. 迷路;迷失方向
    If a person or animal wanders from a place where they are supposed to stay, they move away from the place without going in a particular direction.

    e.g. Because Mother is afraid we'll get lost, we aren't allowed to wander far...
           妈妈生怕我们迷路，不准我们走远。
    e.g. To keep their bees from wandering, beekeepers feed them sugar solutions.
           为了防止蜜蜂迷路 ，养蜂人给它们喝糖水。

3. 走神;开小差
    If your mind wanders or your thoughts wander, you stop concentrating on something and start thinking about other things.

    e.g. His mind would wander, and he would lose track of what he was doing...
           他会走神，忘了自己正在干什么。
    e.g. Jarvis found his attention wandering...
           贾维斯发现自己走神了。

4. (目光)游离
    If your eyes wander, you stop looking at one thing and start looking around at other things.

    e.g. His eyes wandered restlessly around the room...
           他的眼睛不安地转来转去，打量着房间。
    e.g. His eyes kept wandering to the picture...
           他的眼神不停地瞄到这幅画上。