A: Do you know that Elton John will show up at the party this weekend?
B: Really? I didn't hear of that.
A: That is the talk of the town.
B: I'm not interested in that.
the talk of the town
The talk of the town的意思是“谈话的中心”“谈话的焦点”。
E.g. Mr. Smith is now the talk of the town.
E.g. The news soon became the talk of the town across the land.
E.g. The film star's engagement with the mayor became the talk of the town.
E.g. It's the talk of the town that he met a rich widow a few days ago.
show up ：出现，现身
E.g. What puzzles me is why they didn't show up.
E.g. Why didn't you show up at the meeting yesterday ?
at the party ：在晚会上
E.g. All the guests were graciously served at the party.
E.g. I overate at the party last night and got violent indigestion.
hear of ：听说
E.g. It gratified me to hear of your success.
E.g. I was shocked to hear of his poor death.
be interested in:感兴趣于......
E.g. Among all the merchandise, I was interested in the cotton piece in particular.
E.g. He wasn't interested in her stage career.