中文词源
keelhaul 惩罚，重罚
keel,船的龙骨，haul,拉。过去对水手的一种惩罚，把犯了错误的水手沿着船的龙骨拉一圈，因船底通常会寄生有各种各样的海洋生物及贝类，常常非常锋利，遭受这种惩罚的水手轻则遍体鳞伤，重伤缺胳膊断腿。引申词义惩罚，重罚，严厉斥责。
英语词源
- keelhaul (v.)
- 1660s (the experience itself is described from 1620s), from Dutch kielhalen, literally "to haul under the keel," an old punishment. See keel (n.) + haul (v.). Related: Keelhauled. German kielholen, Danish kjølhale, Swedish kölhala also are from Dutch.