于姓

1

这位于姓女士提起诉讼，反对北大撤销其学位的决定，并认为该决定缺乏法律依据。

The woman , surnamed Yu , filed a lawsuit against the university claiming its decision not to grant her degree was without merit .
2

这名于姓男子被朝鲜被指向朝鲜政治领袖发表煽动性言论。

The detained executive , known by his surname Yu , is believed to have made inflammatory comments about North Korea 's political leaders .
3

他头脑活络，善于经营，很得于姓主人的信赖，竟在临终前将钱肆都赠给了胡雪岩。

Thanks to his quick mind and business talent , he was trusted by his master surnamed Yu so much that his master even gave the money exchange as a present to him on the deathbed .