What's so funny about this?

is cell phone ringing in the hallway. 。The sound was coming from the study. She turned and walked towards it, pushing open the door with her hand. The source of the ringing was a black phone on the t.... 。He walked up the stairs and stood in front of Tang Yiy's door, raising his hand to knock. 。Knock knock 。After several knocks on the door, there was no answer from inside. 。Tang Yiyi, Tang Yiyi 。L...