张开嘴巴。
zhāng kāi zuǐba.
Open your mouth.
闭上嘴巴。
bì shàng zuǐba.
Close your mouth.
他给了我一嘴巴。
tā gěi le wǒ yì zuǐba.
He gave me a slap.
别打我一嘴巴。
bié dǎ wǒ yì zuǐba.
Don't slap me.
