mediate
verb [ I or T ] uk/ˈmiː.di.eɪt/ us/ˈmiː.di.eɪt/
调解，调停，斡旋
to talk to two separate people or groups involved in a disagreement to try to help them to agree or find a solution to their problems
Negotiators were called in to mediate between the two sides. 请来了谈判人员为双方调解。
The two envoys have succeeded in mediating an end to the war. 两位使节通过调节斡旋促成了战争的结束。