1. 最后的；最终的
    You use ultimate to describe the final result or aim of a long series of events.

    e.g. He said it is still not possible to predict the ultimate outcome...
           他说现在还无法预料最终的结局。
    e.g. The ultimate aim is to expand the network further.
           最终目的是为了进一步拓展该网络。

2. 最根本的；最基础的；最原始的
    You use ultimate to describe the original source or cause of something.

    e.g. Plants are the ultimate source of all foodstuffs...
           植物是所有食物的最根本来源。
    e.g. The ultimate cause of what's happened seems to have been the advertising campaign.
           出事的最根本原因似乎在于那场广告宣传活动。

3. 最重要的；最强大的；至高的
    You use ultimate to describe the most important or powerful thing of a particular kind.

    e.g. ...the ultimate power of the central government...
           中央政府的至高权力
    e.g. Of course, the ultimate authority remained the presidency...
           当然，拥有最高权力者依然是总统。

4. 极端的；极度的；令人极其不快的
    You use ultimate to describe the most extreme and unpleasant example of a particular thing.

    e.g. Being removed from his post during operations is the ultimate humiliation for a ship's captain.
           在执行任务的过程中被免职，这对一位船长来说是莫大的耻辱。
    e.g. Treachery was the ultimate sin...
           背叛是最不可饶恕的罪孽。

5. 最好的；绝好的；极好的
    You use ultimate to describe the best possible example of a particular thing.

    e.g. He is the ultimate English gentleman...
           他是最最典型的英国绅士。
    e.g. Caviar and oysters on ice are generally considered the ultimate luxury foods.
           一般认为，鱼子酱和冰镇牡蛎是顶级美味。

6. 极致；极限；最高典范
    The ultimate in something is the best or most advanced example of it.

    e.g. Ballet is the ultimate in human movement...
           芭蕾舞在人类的动作中可谓优雅至极。
    e.g. This hotel is the ultimate in luxury...
           该酒店极尽奢华。