一决雌雄

to have a show-down / to fight for mastery / to compete for a championship

one / single / a (article) / as soon as / entire; whole; all; throughout / "one" radical in Chinese characters (Kangxi radical 1) / also pr. [yao1] for greater clarity when spelling out numbers digit by digit

to decide / to determine / to execute (sb) / (of a dam etc) to breach or burst / definitely / certainly

female / Taiwan pr. [ci1]

male and female

male / staminate / grand / imposing / powerful / mighty / person or state having great power and influence