Meaning of qī:
qī
妻
Noun
wife
Tā de qīzi zài Shànghǎi gōngzuò.
他的妻子在上海工作。
His wife works in Shanghai.
Verb
to marry off (a daughter)
Wǒ de péngyǒu gāng bǎ tā de nǚ'ér jià gěi yī wèi yīshēng zuòwéi tā de qīzi.
我的朋友刚把他的女儿嫁给一位医生作为他的妻子。
My friend just married off his daughter to a doctor as his wife.