Translation

• someone
• people
• anyone
• there is someone there
• occupied (as in restroom)

Examples

• 家里有没有人？
  Is anybody home?
• 这儿有人说日语吗？
  Does anyone here speak Japanese?
• 有人会说英语吗？
  Does anyone speak English?
• 这里有人会说日语吗？
  Does someone here speak Japanese?
• 没有人喜欢战争。
  Nobody likes war.
• 我不在的时候有没有人来？
  Did anyone come in my absence?
• 有人打电话来。
  Someone called.