求翻译：有一次，我在广州搭地铁，期间，两个黑人走进坐在一堆母子旁边。那个小男孩指着那俩说：妈妈，他们好黑，从不洗脸。’’妈妈夸儿子说：儿子，你真聪明。我发现那俩都听得懂她们的对话这让我好尴尬。是什么意思？

Once, I was in Guangzhou subway, during the two black mother and child sitting on a pile into the next. The little boy pointed to the two said: Mom, they are dark outside, and never wash. ''Said mother praised her son: Son, you're smart. I found that they both could understand the dialogue that make

On one occasion, when I was in Guangzhou, during this period, Metro two black went to sit in a pile next to mother and child. The little boy who said they were black, and her mother, so they can never wash your face. ' ' said: SON mother son boast, you really smart. I have found that they could unde

Once, I builds the subway in Guangzhou, the period, two blacks enter sit nearby pile of mother and child.That young boy points at that pairs to say that,Mother, they are quite black, ever does not wash the face.Aunt'' praises the son to say that,The son, you are really intelligent.I discovered that

On one occasion, I take the subway in Guangzhou, during two blacks went into the sat next to a pile of mother and child. The boy pointing both said: my mother, they may black and never wash your face. ' ' Mother praises son said: son, you are really smart. I found that both understand their dialogue

Once, I was in Guangzhou subway, during the two black mother and child sitting on a pile into the next. The little boy pointed to the two said: Mom, they are dark outside, and never wash. ''Said mother praised her son: Son, you're smart. I found that they both could understand the dialogue that make