独大

独大	dú dà	to dominate over all others / to wield all the power / to reign supreme
独	dú	alone / independent / single / sole / only
大	dà	big; large; great / older (than another person) / eldest (as in 大姐) / greatly; freely; fully / (dialect) father / (dialect) uncle (father's brother)
大	dài	see 大夫