Wǒmen fēiqīn fēigù, tā wèishénme yào bāng wǒ?
We're neither relatives nor friends — why would he help me?
Tā duì fēiqīn fēigù de rén yě hěn rèxīn.
She's warm even to total strangers.
Suīrán fēiqīn fēigù, tā háishi jiè gěi wǒ yí dà bǐ qián.
Even though we had no prior connection, he still lent me a large sum.