大權在握

to be in a position of power

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)

power / authority

surname Quan

authority / power / right / (literary) to weigh / expedient / temporary

to exist; to be alive / (of sb or sth) to be (located) at / (used before a verb to indicate an action in progress)

(fig.) to hold in one's hands / to be within grasp

to hold / to grasp / to clench (one's fist) / to master / classifier: a handful

to hold; to grasp / to clench (one's fist) / (bound form) to have in one's control / classifier: a handful