wipe one's boots on sb.

例句：

1. 1. She wipedher boots on the floor before she enteredthe room.
   她进入房间前，先在地板上擦了擦她的靴子。
2. 2. Aftera long day at work, he wiped his boots off on the way home.
   工作了一整天后，他回家的路上把靴子上的泥巴擦干净了。
3. 3.The teacher wiped his boots on thechair to clean them up before class.
   老师在上课前，先把他的靴子擦干净放在椅子上。