aim of

address or apply oneself to something, direct one's efforts towards something, such as a question.

致力于……把某人的努力投向于某一方面。

Devote oneself to

献身于，致力于，专心于：

turn to a new subject

(转而)致力于新课题

He devoted himself to music.

他致力于音乐的研究。

Xiao Wang devoted herself(or her life)to basketball.

小王致力于篮球运动。

was engaged in a protracted struggle with a determined enemy.

致力于与死敌的持久战

working towards environmental sustainability

致力于环境的可持续

He dedicated himself to the cause of education

他致力于教育事业。

He's working at a new invention.

他正致力于一项新发明。

He applied himself to learning French.

他致力于学习法语。

He bent his mind to study.

他专心致力于研究。

He identified himself strongly with legal education.

他致力于法学教育。

I directed my endeavors toward the object of my search

我致力于我追求的目标。

Landscape painting has been his lifelong endeavour.

他一生致力于风景画。

He gave his youth to literature

他青年时代致力于文学。

He dedicated his whole life to writing novels.

他一生致力于写小说。

He devotes himself to relieving the distressed.

他致力于救济受苦的人。

They canalize their energies into charity work.

他们致力于慈善事业。