incredulous
adjective uk/ɪnˈkredʒ.ə.ləs/ us/ɪnˈkredʒ.ə.ləs/
不愿相信的;不能相信的;表示怀疑的
not wanting or not able to believe something, and usually showing this
A few incredulous spectators watched on as Paterson, ranked 23rd in the world, beat the champion. 一些观众观看了世界排名第23位的帕特森击败世界冠军，他们简直不敢相信。