fight tooth and claw

fight tooth and claw/nail

to fight very hard to achieve something (often + to do sth) We fought tooth and nail to retain our share of the business.

Name	Pronounced	Usage
Themis	-	Greek Mythology
Mccoy	[mə'kɔi]
Fitch	[fitʃ]
Sekai	-	Southern African, Shona
Heath	[hi:θ]
QuÂN	-	Vietnamese