Zài zhè chǎng xuǎnjǔ zhōng, tā yǐjīng xiōng yǒu shèngquàn.
He is already confident of winning this election.
Tips
usage
胜券 rarely appears alone. It is almost always part of the idiom 稳操胜券, meaning 'to have victory firmly in one's grasp'. 券 originally referred to a contract or voucher guaranteeing a prize.