mettre à feu et à sang

Literally, “to put to fire and to blood”, or more loosely translated as “to put to the torch and to the sword”.

• IPA^(key): /mɛ.tʁ‿a fø e a sɑ̃/

mettre à feu et à sang

1. (transitive) to lay waste to, to wreak bloody havoc on

• réduire en cendres