n.保證人；保證；擔(dān)保

You are willing to stand surety for your brother, aren't you? 你愿意當(dāng)你弟弟的保證人，是嗎？

She was granted bail with a surety of $500. 她交了500元保證金，獲得保釋。

Alfonso agreed to stand surety for his friend's behaviour. 阿方索同意為他朋友的行為做擔(dān)保。