脱口而出tuōkǒu'érchūTop 25000Meanings1. (idiom) to blurt out; to let slip (an indiscreet remark)Characters used脱to shed口mouth而and出to go outExamples1汤姆Tāngmǔ不假思索bùjiǎsīsuǒ脱口而出tuōkǒu'érchū。Tom speaks without thinking.