paul tried to use a knife to open the door.(改同义句)

问题描述:

paul tried to use a knife to open the door.(改同义句)

Paul made great effort to open the door with a knife.
try to do sth=make great effort to do sth,努力做某事
后面半句可以使用with来改写。

A knife be used by Paul to open the door.

Paul tried to open the door with a knife