于 [yú]

• 介词
  • （表示时间、处所、范围等）:

    famous all over the world; of world renown;

    闻名于世界

    The Changjiang River rises in Qinghai Province.

    长江发源于青海。

  • （表示动作的方向）:

    call to one's aid; ask people for help;

    求助于人

    ask the way from a blind person; seek advice from one who can offer none

    问道于盲

  • (用在动词后面，表示交与， 付出等）:

    shift the misfortune onto sb. else; put the blame on sb. else;

    嫁祸于人

    As a result of collective effort, the difficult situation changed into a favourable one.

    经过大家的努力， 困难的局面终于让位于顺利的局面。

  • （引进对象或事物的关系者）:

    not rest content with one's achievements; not rest on one's laurels;

    不满足于已经取得的成绩

    dedicate oneself to education;

    献身于教育事业

  • （表示起点或出发点）:

    out of ignorance;

    出于无知

    of one's own free will; of one's own accord;

    出于自愿

  • （表示比较）:

    This year's yield of wheat is higher than ever before.

    今年小麦产量高于往年。

    Though death befalls all men alike, it may be weightier than Mount Tai or lighter than a feather.

    人固有一死， 或重于泰山， 或轻于鸿毛。

  • （表示被动）:

    be laughed at;

    见笑于人

    be recognized by society

    见知于世

• 名词
  • （姓氏） a surname:
  • （姓氏） a surname:

    Yu Qian

    于谦