check on it

• One of them was inactive , so he covered it with a cup . master laughs however , he had to check on it every day , because he said , " we don t know if this volcano is really inactive .
  还有他说有三个火山，一个已经灭掉了，他就用一个杯子盖起来师父笑，不过他每天还是要检查看看，因为他说：我们不知道火山它是不是可靠？