Translation

• the whole family
• the same family
• the family ... (when preceded by a family name)
• group

Examples

• 一家人一起吃了晚饭。
  The family ate dinner together.
• 它一定是一家很贵的餐厅。
  It must be a very expensive restaurant!
• 她为一家医院工作。
  She works for a hospital.
• 琼斯一家人爱他们的女儿。
  The Joneses love their daughter.
• 我为一家银行工作。
  I work for a bank.