My uncle has been to prison three times for theft. Father often warns us not to mention his name in the presence of strangers so as not to washdirtylinen in public.
我叔叔因为偷窃曾三次入狱。父亲常常警告我们在陌生人面前不要提他,免得家丑外扬。
2
The saying, "Don't wash your dirtylinen in public," specifically tells us that we should not discuss intimate family matters in public, especially if they are of a shameful nature.