谈资

談資
tánzī
  1. sth that people like to chat about
  2. topic of idle conversation

CEDICT

topic of conversation; gossip; something that people like to chat about

Wiktionary

可供谈话的资料。

重編國語辭典

Entry Composition

1 谈 tán
  1. to speak
  2. to talk
  3. to converse
  4. to chat
  5. to discuss
2 资 zī
  1. resources
  2. capital
  3. to provide
  4. to supply
  5. to support
  6. money
  7. expense