He opened the door in response to a knock. Much to his surprise, it was a long-separated friend.

他开门看看是谁敲的门，真是令他大吃一惊，原来是一个分开很久的朋友。

youdao

He opened the door in response to a knock. Much to his surprise, it was a long-separated friend.

他开门看看是谁敲的门，真是令他大吃一惊，原来是一个分开很久的朋友。

youdao