脱口而出 脫口而出

    tuōkǒuérchū

    1. Idiomto blurt out; to let slip (an indiscreet remark) (idiom)

    他脱口而出,说漏了老板的隐私。Tā tuōkǒu'érchū, shuō lòu le lǎobǎn de yǐnsī.He blurted out a remark, revealing the boss's private business.