repudiation
n. 否认，拒绝；抛弃，断绝关系
复数 repudiations
例句
He believes his public repudiation of the conference decision will enhance his standing as a leader.
他认为他对大会决议的公开批判将提高他作为一名领导的声望。
《柯林斯英汉双解大词典》
What is non-repudiation?
什么是不可抵赖性？
This concept is known as non-repudiation.
这一概念称作不可抵赖性。
