He's gaining on you. 他快赶上你了。
He's a strong contender. 他是个强力的竞选者。
He's no lightweight. 他并非等闲之辈。 I thought I had him beat and then he turned the tables on me. 我本以为我已打败了他,没想到他反败为胜。 Now it's a whole new ball game. 这又是一场全新的战况。