Guòtóu fàn bié chī; guòtóu huà bié jiǎng.

過頭飯別吃, 過頭話別講。

Lit Don't eat excessive [amounts of] food, [and] don't talk excessive talk.

Fig Don't eat too much food [and] don't brag or exaggerate or say anything that will hurt or offend others.

Note [See also huà bùyào shuō below.]

Topics BRAGGING EATING FOOD MODERATION RESTRAINT SPEECH TALK