Translation

• (adverbial expression indicating that the attention of the subject of the verb is focused on what they are doing, not distracted by anything else)
• just ...ing (and nothing else)

Examples

• 她早上在那儿。
  She was there in the morning.
• 你的在那儿呢。
  Yours is over there.
• 站在那儿的女人是谁？
  Who is the woman standing there?
• 站在那儿的女孩是谁？
  Who is the girl standing over there?
• 在那儿看报纸的男人是我叔叔。
  The man reading a paper over there is my uncle.
• 我要回房间了，在那儿我可以学习。
  I am going to my room, where I can study.
• 他去了伦敦，并在那儿待了一周。
  He went to London, where he stayed for a week.