If you describe something as unwarranted, you are critical of it because there is no need or reason for it. 不必要的; 无端的
adjective [原级]无根据的;无保证的
Any attempt to discuss the issue of human rights was rejected as an unwarranted interference in the country's internal affairs. 任何希望讨论人权问题的要求都被视为对该国内政的无端干涉而被拒绝了。