Air quote of the day #8562um

哑巴吃饺子,心里有数 (yǎ ba chī jiǎo zi, xīn lǐ yǒu shù) – When a mute person eats dumplings ( 饺子 jiaozi), he knows how many he has eaten, even though he cannot speak. We use this saying to point someone knowing the situation quite well, yet saying nothing.