胆大包天 (dǎn dà) — extremely audacious; daring beyond measure

Definition

Strong chengyu meaning 'shockingly audacious' — used for deeds so bold they seem reckless. Always negative: describes nerve without judgment, not bravery.

idiom

extremely audaciousdaring beyond measure

Examples

，胆大包天。
Tā jū rán gǎn tōu jǐng chá de dōng xī, zhēn shì dǎn dà.
He actually dared to steal from a police officer — that's truly audacious.
胆大包天，。
Nà ge dǎn dà de jì huà, ràng suǒ yǒu rén dōu xià le yí tiào.
That audacious plan startled everyone.
胆大包天。
Tā dǎn dà dì yí gè rén qù pān dēng zhū mù lǎng mǎ fēng.
He audaciously went to climb Mount Everest alone.

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