1. 耕;耕作；种植
    If you cultivate land or crops, you prepare land and grow crops on it.

    e.g. She also cultivated a small garden of her own.
           她还耕种了一片属于自己的小园子。
    e.g. ...the few patches of cultivated land.
           为数不多的几小块耕地

2. 逐渐形成，培养(某种态度、形象或技能)
    If you cultivate an attitude, image, or skill, you try hard to develop it and make it stronger or better.

    e.g. He has written eight books and has cultivated the image of an elder statesman...
           他已经写了8本书，树立起了其政界元老的形象。
    e.g. Cultivating a positive mental attitude towards yourself can reap tremendous benefits.
           培养一种自信的积极心态会让人受益匪浅。

3. 结交(朋友);建立(友谊)
    If you cultivate someone or cultivate a friendship with them, you try hard to develop a friendship with them.

cultivate的意思

    e.g. Howe carefully cultivated Daniel C. Roper, the Assistant Postmaster General...
           豪谨慎地和邮政副部长丹尼尔·C.罗珀拉近关系。
    e.g. Estonia has done much to cultivate the friendship of western European countries.
           爱沙尼亚努力发展与西欧国家的友谊。