他tā们men没méi有yǒu武wǔ器qì。

They have no weapons.

知zhī识shí是shì最zuì好hǎo的de武wǔ器qì。

Knowledge is the best weapon.

请qǐng放fàng下xià武wǔ器qì。

Please put down your weapon.

警jǐng察chá没méi收shōu了liǎo那nà些xiē武wǔ器qì。

The police confiscated those weapons.

他tā从cóng不bù带dài武wǔ器qì出chū门mén。

He never carries a weapon when going out.