The children are completely out of control since their father left.

　　這些孩子自他們的父親離開后就無法無天了。

　　My father's death had a profound effect on us all.

　　父親的去世深深地影響了我們全家。

　　My best friend has been like a sister to me.

　　我最要好的一個朋友待我親如姐妹。

　　Is your sister older or younger than you?

　　你的姐妹比你大還是小？

　　Did you get a present for your mother?

　　給你母親買禮物了嗎？

　　She's a mother and company director in one.

　　她既是母親又是公司董事。