gaffe

1. N-COUNT A gaffe is a stupid or careless mistake, for example when you say or do something that offends or upsets people. (愚蠢或粗心的)错误

He made an embarrassing gaffe at the convention last weekend. 在上周的会议上，他犯了一个尴尬的错误。

...social gaffes committed by high-ranking individuals. …高级别的人犯的社交错误。