If you refer to someone's inconsistency, you are criticizing them for not behaving in the same way every time a similar situation occurs.
例句
His worst fault was his inconsistency...他最大的缺點就是反復無常。The report accuses the judicial system of inconsistency and partiality.報告指責司法系統執法前后不一且有失公正。
N-VAR
前后矛盾;不一致
If there are inconsistencies in two statements, one cannot be true if the other is true.
例句
We were asked to investigate the alleged inconsistencies in his evidence.我們被要求對他證詞中的前后矛盾之處進行調查。...the complete inconsistency of his argument.他的論點全然自相矛盾
英英詞典釋義
Noun
1. the relation between propositions that cannot both be true at the same time
2. the quality of being inconsistent and lacking a harmonious uniformity among things or parts