[满口 / 滿口, mǎn kǒuㄇㄢˇ ㄎㄡˇ] a mouthful; (of speech) pure: perfect accent; substance of speech all of a kind (e.g. all lies); unreservedly (accept, agree, promise etc)#27347
[はらをわってはなす, harawowattehanasu] (exp, v5s) (See 腹を割って) to speak frankly; to speak unreservedly; to open up to each other; to talk candidly; to speak by laying everything on the table; to talk straight from the gut; to have a heart-to-heart talk