在某人傷口抹鹽；使某人痛上加痛；使某人更加難堪。
例句：
- Losing was bad enough and having to watch them receiving the trophy just rubbed salt into our wounds. (吃敗仗已經夠糟了，還要看他們領獎，簡直就是在我們的傷口抹鹽)
- The manager is really unpopular because he is always rubbing salt in the wounds of his employees by criticizing them harshly. (這位經理真不得人緣，因為他老是嚴厲指責他的員工，使他們更加難堪)
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