1. 咨询;请教;请示(以获得许可)
    If you consult an expert or someone senior to you or consult with them, you ask them for their opinion and advice about what you should do or their permission to do something.

    e.g. Consult your doctor about how much exercise you should attempt...
           咨询一下医生你需要多大的运动量。
    e.g. He needed to consult with an attorney...
           他需要找个律师咨询一下。

2. 商量;商讨;商议
    If a person or group of people consults with other people or consults them, they talk and exchange ideas and opinions about what they might decide to do.

    e.g. After consulting with her daughter and manager she decided to take on the part, on her terms...
           与女儿兼经纪人商量之后，她决定出演这一角色，不过要按照她开出的条件。
    e.g. The two countries will have to consult their allies...
           两国不得不与盟国商议。

3. 查阅，查询(书、地图等)
    If you consult a book or a map, you look in it or look at it in order to find some information.

    e.g. Consult the chart on page 44 for the correct cooking times...
           翻到44页的图表，查一下正确的烹饪时间。
    e.g. He had to consult a pocket dictionary.
           他只好去查袖珍字典。