我才不信

I don't believe it at all

→ 我

phrase Rare #24,890

I don't believe it at all 才不 makes the denial emphatic, often conveying defiance or disbelief.

CH: 他说他能一口气吃十个汉堡？我才不信。

EN: He says he can eat ten hamburgers in one sitting? I don't believe it at all.

I don’t believe a word she says.

— Suzhou River (2000)

I don't believe in that kind of thing.

— 潜水钟与蝴蝶 (2007)

I don’t believe you—get lost!

— 痛苦与荣耀 (2019)

I don't believe you.

— 精英部队2：大敌当前 (2010)

I don't believe you.

— 吾栖之肤 (2011)