n.保证人；保证；担保
You are willing to stand surety for your brother, aren't you? 你愿意当你弟弟的保证人，是吗？
She was granted bail with a surety of $500. 她交了500元保证金，获得保释。
Alfonso agreed to stand surety for his friend's behaviour. 阿方索同意为他朋友的行为做担保。
