1. 尽力而为：do someone a favor 帮助某人 | do the best one can 尽力而为 | do the block 在街上闲逛
2. 尽自己最大的努力,竭尽全力：We should do sports every day. 我们应该每天做运动. | do the best one can尽自己最大的努力,竭尽全力: | He does the best he can to help that poor old man. 他竭尽全力帮助那个可怜的老人.
1. Mulching is one of the best things people can do for their plants.