surety

n.

保证人，担保，保证；

复数：sureties

1. 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？
2. She was granted bail with a surety of $500.
   她交了500元保证金，获得保释。
3. 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。

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