自问自答

自問自答
zìwènzìdá

to answer one's own question

Wiktionary

Entry Composition

1 自问 zìwèn
  1. to ask oneself; to search one's soul
  2. to reach a conclusion after weighing a matter
2 自 zì
  1. (bound form) self; oneself
  2. from; since
  3. naturally; as a matter of course
=3 答 dā bound form having the same meaning as the free word 答 dá, used in 答应 dāying, 答理 dāli etc
=3 答 dá
  1. to answer
  2. to reply
  3. to respond