I could tell something was up by the look on their faces.
我一看他们的脸色就知道有事。
See you later.
回头见 注:常用在平时暂别下次见面没有约定的时间。
Second, if your friends have problems, do not give advice. Ask questions instead, such as What do yo want? How do you feel about it? What are you afraid might happen? They will be able to find answers to any problems themselves, with your support. They