Father and mother, sister and brother say thou to one another--without regard to age or rank.

不管是什么年龄和地位的父亲和母亲，姐妹和兄弟都在和彼此谈论你。

youdao

We have sister cats, brother cats, father cats and mother cats.

我们有猫姐妹、猫兄弟、猫爸爸还有猫妈妈。

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I like father. I like mother. I like grandpa. I like grandma. I like sister. I like brother.

我喜欢爸爸、我喜欢妈妈、我喜欢爷爷、我喜欢奶奶、我喜欢姐姐、我喜欢哥哥。

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Many people are eligible for free eye tests, such as those under 16, or over 60, people who are over 40 whose mother, father, brother or sister has had glaucoma.

BBC: NEWS | Health | Many drivers 'have poor eyesight'

"Obviously he (Mohammed) is in a traumatic state by losing the entire members of his family - his mother, his father, his brother, sister-in-law and his beloved sister he's lost as well, " said Mr Shazada.

BBC: Mohammed Eisa Daniel

" Then they'll ask: "If I go home, my father, my mother, my brother, my sister, all of them will ask me if I have boyfriend.

BBC: Q&A: Chinese dating consultant Zhou Xiaopeng