to lean on; to rely on

to rely upon

to rely on; to be dependent on

to rely heavily upon

to lean on; to rest against; to rely on; support; backing; back of a chair

(idiom) to flaunt one's seniority; to rely on one's age or length of experience to control or belittle others

Heaven Sword and Dragon Saber, wuxia (武俠|武侠[wu3 xia2], martial arts chivalry) novel by Jin Yong 金庸[Jin1 Yong1] and its screen adaptations