_aim to do

aim to do sth:

指为了达到某个目标而去做某事.

aim,瞄准(靶子)的意思.

有点"一定要达到目的为止"的意思.

try to do sth:

指只是为了尝试性地去做某事.

aim to do/at/for sth一般用主动语态。be aimed at/doing sth意为“为达到某个目的” 当主语是人的时候，用主动语态，例如：

He drew his pistol and aimed at the enemy soldier.

当主语是物时，用被动语态。例如：

This policy is aimed at increasing production.