1、Despite their efforts, the two parties remained unreconciled and could not reach a compromise.
尽管双方努力了，但他们依然未和解，无法达成妥协。

2、The unreconciled differences between the two countries led to escalating tensions and eventually a war.
两国之间未调和的分歧导致紧张局势不断升级，最终导致战争。