I complained about his disgraceful behaviour.

我抱怨说他的行为丢人现眼。

youdao

His behaviour was absolutely disgraceful!

他的行为真可耻！

《牛津词典》

His solicitor, Pat Kelly, said the accused had described the violence as "disgraceful behaviour".

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Adam Budworth, mitigating, said Richardson offered his "sincerest apologies for such disgraceful behaviour".

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He told them passers-by tried to "seek refuge" from their "disgraceful behaviour".

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