purpose

noun [抽象名词]目的，意图；目标，计划；（达到生活中目标的）决心，毅力；（情势等的）需要，用意（purposes）；重要意义，有价值的意义

Your purpose is the thing that you want to achieve.
目标 •  They might well be prepared to do you harm in order to achieve their purpose.  他们很可能有备而来伤害你，以实现其目标。