COLD AS ICE. Revenge: A dish seldom served in Japanese history but still cold as ice

 COLD AS ICE definition: acting in a very unfriendly way | Meaning, pronunciation, translations and examples.

The Japan Times 

When Confucius was asked, "Should we kill those who are evil?" The response came, "What need is there for you to kill?"

JAPANTIMES.CO.JP

Revenge: A dish seldom served in Japanese history but still cold as ice