1. 表明;说明
    If one thing indicates another, the first thing shows that the second is true or exists.

    e.g. A survey of retired people has indicated that most are independent and enjoying life...
           对退休人员的调查表明，大部分人都自食其力,享受生活。
    e.g. Our vote today indicates a change in United States policy...
           我们今天的选举表明了美国政策的一种变化。

2. 暗示
    If you indicate an opinion, an intention, or a fact, you mention it in an indirect way.

    e.g. Mr Rivers has indicated that he may resign...
           里弗斯先生暗示他可能会辞职。
    e.g. U.S. authorities have not yet indicated their monetary policy plans.
           美国当局尚未透露他们的货币政策计划。

3. 指示;指出
    If you indicate something to someone, you show them where it is, especially by pointing to it.

indicate

    e.g. He indicated a chair. 'Sit down.'
           他指着一把椅子说，“坐下。”
    e.g. Pelham moved across to indicate a wall chart.
           佩勒姆走过去指着一张挂图。

4. 是…的标志;象征;反映
    If one thing indicates something else, it is a sign of that thing.

    e.g. Dreams can help indicate your true feelings...
           梦可以反映你的真实感情。
    e.g. His language indicates a poor education.
           他的言语反映出他没受过多少教育。

5. (仪器等)指示，显示
    If a technical instrument indicates something, it shows a measurement or reading.

    e.g. The needles that indicate your height are at the top right-hand corner...
           显示你身高的指针在右上角。
    e.g. The temperature gauge indicated that it was boiling.
           温度计显示它在沸腾。

6. (驾车时)打转向灯指示转弯
    When drivers indicate, they make lights flash on one side of their vehicle to show that they are going to turn in that direction.

    e.g. He told us when to indicate and when to change gear.
           他告诉我们何时打转向灯、何时换挡。