1
be incredulous at/about sth
主语为人，表示不相信某事。
They were incredulous at the suggestion.
他们对这个建议感到怀疑。
怀疑的；不轻信的
先理解核心含义，再看它在真实句子里的用法。
怀疑的；不轻信的
not willing to believe something; showing disbelief
They were incredulous at the suggestion.
他们对这个建议感到怀疑。
怀疑的；不相信的；无法相信的。
Skeptical, disbelieving, or unable to believe.
表示或表明怀疑的。
Expressing or indicative of incredulity.
She gave me an incredulous look when I told her I had never eaten pizza.
当我告诉她我从来没吃过披萨时，她给了我一个怀疑的表情。
He was incredulous that his team had lost the game.
他不敢相信自己的队伍输掉了比赛。
The scientist remained incredulous despite the data presented.
尽管出示了数据，那位科学家仍然表示怀疑。
主语为人，表示不相信某事。
They were incredulous at the suggestion.
他们对这个建议感到怀疑。
that从句说明不相信的具体内容。
He was incredulous that anyone would believe such a story.
他难以置信竟有人会相信这样的故事。
作定语修饰表情、目光等名词，常译为“怀疑的”。
She gave me an incredulous look.
她怀疑地看了我一眼。
Not this
The climb was an incredulous experience.
Use this
The climb was an incredible experience.
incredulous 指人持怀疑态度，意为“不轻信的、怀疑的”，不能用来形容经历等事物令人难以置信；表达“难以置信的”要用 incredible。
Not this
I was incredible when I saw the evidence.
Use this
I was incredulous when I saw the evidence.
incredible 意为“难以置信的”或“极好的”，不表示人的怀疑情绪；要表达“怀疑的、不轻信的”，应使用 incredulous。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
怀疑的神情
She gave him an incredulous look when he said he had never heard of the band.
当他说他从没听说过这个乐队时，她露出怀疑的神情。
难以置信的凝视
The teacher fixed the student with an incredulous stare.
老师用难以置信的凝视盯着那个学生。
怀疑的语气
'You really expect me to believe that?' she asked in an incredulous tone.
“你真的指望我相信那个吗？”她用怀疑的语气问道。
难以置信的表情
His incredulous expression made it clear he did not believe the story.
他难以置信的表情表明他不相信这个故事。
难以置信的微笑
A faint incredulous smile crossed her face.
一丝难以置信的微笑掠过她的脸。
Use incredulous naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 incredulous 拆成 in（不）+ cred（相信，像 credit 信用）+ ulous：不肯相信的，一脸怀疑。
语域：formal 常见场景：文学作品、正式新闻、学术讨论 incredulous 多用于正式或书面语境，常表示‘因难以相信而怀疑’；日常口语中更常说 skeptical 或 doubtful。
真正同韵的是 credulous（/ˈkrɛdjʊləs/）。ridiculous、meticulous、scrupulous、miraculous 虽都以 -ulous 结尾，但重读元音不同，不押韵。
Dictionary facts from ECDICT, WIKTIONARY.