他们在吵。
tāmen zài chǎo.
They are arguing.
别吵了！
bié chǎo le!
Stop arguing!/Don't be noisy!
外面很吵。
wàimiàn hěn chǎo.
It's noisy outside.
别吵我工作。
bié chǎo wǒ gōngzuò.
Don't disturb me while I work.
