抱大腿

(coll.) to cling to sb influential or famous

to hold / to carry (in one's arms) / to hug / to embrace / to surround / to cherish / (coll.) (of clothes) to fit nicely

see 大夫[dai4 fu5]

big; large; great / older (than another person) / eldest (as in 大姐[da4 jie3]) / greatly; freely; fully / (dialect) father / (dialect) uncle (father's brother)

thigh

leg / CL:條|条[tiao2]

hip bone / old variant of 腿[tui3]