夸口kuākǒuMeanings1. to boastCharacters used夸to boast口mouthExamples1她tā曾经céngjīng夸口kuākǒu说shuō一个yīge月yuè之内zhīnèi要yào减掉jiǎndiào5公斤gōngjīn赘肉zhuìròu。She once proudly stated that she was going to lose 5 kilos of fat in a single month.