set an example to sb和set an example for sb都可以。其中set an example to sb意为“为某人树立了榜样”，介词to侧重于为人典范；set an example for sb意为“树立一个榜样给某人”，介词for侧重于以身作则。
set的含义及用法介绍
set作为动词时，含义有放;置;使处于;使处于某种状况;使开始;把故事情节安排在;以…为…设置背景。固定搭配有set an example to sb或set an example to sb。
例句：She set a tray down on the table.
她把托盘放到桌上。
They ate everything that was set in front of them.
他们把放在面前的东西都吃光了。
He pulled the lever and set the machine in motion .
他扳动操纵杆，启动了机器。
The novel is set in London in the 1960s.
这部小说以20世纪60年代的伦敦为背景。
She set the camera on automatic.
她把照相机调到自动状态。
Could you set the table for dinner?
你把餐具摆好，准备开饭，好吗？
She had the sapphire set in a gold ring.
她请人把蓝宝石镶嵌到一枚金戒指上。
They haven't set a date for their wedding yet.
他们还没有确定婚期。
They set high standards of customer service.
他们制订了严格的客户服务标准。
She's set herself a difficult task.
她给自己安排了一项艰巨任务。
Leave the concrete to set for a few hours.
让混凝土凝固几小时。
