Mentioning her ex-husband was a bit of a clanger.
提及她的前夫是有点令人难堪的失言。
牛津词典
He was always dropping clangers (= making embarrassing mistakes or remarks) .
他总是出岔子，令人十分尴尬。
牛津词典
She dropped a clanger when she mentioned the broken window.
她提到打碎的窗子时说得真不是时候.
期刊摘选
To err is human, and even the most efficient employee will eventually drop a clanger.
是人就会犯错误, 即使是最能干的雇员最终也总会干蠢事.
期刊摘选
He dropped a clanger.
他弄了个大笑话.
期刊摘选
I dropped a real clanger when I mentioned the party. He hadn't been invited.
我无意中失言提起了聚会的事情,而他并没有被邀请.
《简明英汉词典》
"he dropped a clanger"