
Hammer out
Negotiation imagery
The phrase implies a vigorous discussion, often picturing the back-and-forth effort in reaching an agreement.

The committee will have to hammer out the finer details of the policy soon.
Extended effort
Usually suggests a lengthy process with considerable effort, not something resolved quickly.

It took weeks to hammer out the terms of the contract.
Collaborative connotation
Indicates a collaborative process where all parties contribute to the final solution.

The differing parties managed to hammer out a compromise.
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