at each other's throats

Idioms  

1. Arguing or fighting. For example, It was a very dramatic trial, with the prosecutor and the defense attorney constantly at each other's throats. This idiom, with its vivid image of two persons trying to strangle each other, is often applied to less physical forms of disagreement.

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Example Sentences

Economists have been at each other’s throats ever since.

From The Wall Street Journal

For him to warm up to me after years of being at each other’s throats just because we’d been forced together?

From Literature

We’re at each other’s throats over what really happened, what’s true, who did what.

From The Wall Street Journal

Chris and Matt, who have been at each other’s throats, will be shipping out together, forced to reconcile as newfound family members.

From Los Angeles Times

But at the end of each day, people who have been at each other’s throats during debates, come together in worship.

From BBC