This is the 630th most frequent Chinese word.
立
To stand; establish.
立志: Here, '立' means 'to set' or 'establish,' used in the context of setting a goal or aspiration.
我们要立志成为有用的人才。
We must aspire to become useful talents.
立下: Here, '立' means 'to make' or 'to accomplish,' emphasizing the act of creating an impactful achievement.
他在公司立下了赫赫战功。
He has made remarkable contributions to the company.
立着: Here, '立' means 'to stand,' describing the physical position of the tower.