English in a Minute: Fight Tooth and Nail 

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Many animals have teeth and nails. But what does it mean to fight tooth and nail?
(office setting)
A: Jonathan, did you see that email from Simone? She did not get the manager position.
J: What? She fought tooth and nail for that job!
A: Well she may have fought hard for it … but she didn’t get it.
J: Ouch.
When you “fight tooth and nail,” you fight hard. You try your best to win and don’t give up. Animals in the wild use their teeth and nails when they fight. When using this idiom, make sure and keep it singular. We don’t say “to fight teeth and nails.”
And that’s English in a Minute!Originally published at - learningenglish.voanews.com/a...