unquestioned
adj. 无争议的;不成问题的;无需调查的
例句
Stalin was the unquestioned ruler of the Soviet Union from the late 1920s until his death in 1953.
斯大林是从20年代末到1953年他去世苏维埃政权无可争议的领导者。
《柯林斯英汉双解大词典》
His courage remains unquestioned.
他的勇敢仍然不容置疑。
《牛津词典》
His commitment has been unquestioned.
他的奉献是无可置疑的。