1. 擦掉;磨去：round up 收集,集合 | rub away 擦掉;磨去 | rub down 用力擦遍;按摩

2. 擦掉：rub along 勉强相处 | rub away 擦掉 | rub down 按摩

3. 擦去、磨去：rub along一起过日子;两人以上勉强地相处 | rub away 擦去、磨去...... | rub down用力擦遍......;把......擦亮

4. 擦去; 磨掉; 消除：round to (艇)顶风停下; 恢复健康 | rub away 擦去; 磨掉; 消除 | rub down 擦全身;按摩; 把...磨平;彻底梳刷(马毛[口]全身搜查