1.pull back 拉回，撤回
如：I pulled back the bench to help the old man sit on it.
The army pulled back after the battle.
2.turn around vt. 转身(转变，逆转，卸完货离去)
如：I was directed to turn around.
I turned around and saw Jane was sitting directly behind me.
3.watch over 看守，监视，照管
如：Would you please watch over my booth?
The soldiers were closely watching over the enemies.