N-COUNT
非常出色的人（或事物）;令人興奮的人（或事物）
If you describe someone or something as a humdinger, you mean that they are very impressive, exciting, or enjoyable.
例句
It should be a humdinger of a match...
這應該是一場非常精彩的比賽。
His latest novel is a humdinger.
他最新的一部小說棒極了。