设于

例句：

1. 1.She set the table for dinner.
   她为晚餐摆好了桌子。
2. 2. The team set a goal to win the championship.
   团队设定了一个目标，赢得冠军。
3. 3. He set his alarm clock to wake him up at 6:00.
   他把他闹钟设定在早上六点叫醒他。