单身 + Noun
单身 (dānshēn) is an adjective meaning "single" or "unmarried." It describes a person who is not in a relationship or marriage. For example, 单身父亲 means "single father."
他三十多岁了还是单身。
tā sānshí duō suì le háishi dānshēn.
He is in his thirties and still single.
现在很多年轻人选择单身生活。
xiànzài hěn duō niánqīngrén xuǎnzé dānshēn shēnghuó.
Nowadays many young people choose to stay single.
她是一位单身母亲,独自抚养两个孩子。
tā shì yī wèi dānshēn mǔqīn, dúzì fǔyǎng liǎng gè háizi.
She is a single mother raising two children on her own.