gone

1. Gone is the past participle of . (go)的过去分词

2. ADJ When someone is gone, they have left the place where you are and are no longer there. When something is gone, it is no longer present or no longer exists. 离开的; 不在的[v-link ADJ]

He knows how hard it was for her while he was gone. 他知道他不在的时候她有多难。

He's already been gone four hours!

他已离开4个小时了！