At daggers drawn Australia British spoken language phrase informal
I have had to intervene because David and Tom have been at daggers drawn lately.
The two countries have been at daggers drawn for some months now with no sign of improvement in relations.
The two students are at daggers drawn over the new assignment.
She and her mother have been at daggers drawn for some months now.
When an argument or a fight occurs, both parties involved are responsible for it.
A relationship that is full of disagreements or quarrels
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There are lots of theories about the origin of this idiom but they cannot be definitively proven. It is considered to relate to the fact that men used to carry daggers on their person in order to protect themselves.