How would you handle a conflict during code review if a colleague refuses to accept your merge request?

In case of a conflict during code review, when a colleague refuses to accept my merge request, I would take the following steps:

1. Listen to the colleague's arguments — understand why they are not accepting the changes, what comments or concerns they have.
2. Discuss the contentious points constructively — present your arguments, possibly show examples or explain the logic of the changes.
3. Propose a compromise — if possible, make adjustments that address the comments while preserving the main essence of the changes.
4. Involve a third party — if the dispute cannot be resolved directly, consult another experienced developer or team lead for an objective perspective.
5. Document the decision — record the final decision and reasons to avoid repeated conflicts.

The main thing is to maintain professionalism, respect, and strive for the best quality of code and the product as a whole.