彼らのチームは試合の初めから優勢だった。
Their team had the upper hand from the start of the game.
世論調査では野党候補がやや優勢とみられている。
According to the polls, the opposition candidate is seen as slightly ahead.
序盤は劣勢だったが、後半に入って形勢が優勢に傾いた。
They were behind early on, but in the second half the tide turned in their favor.