所知

suǒzhī
  1. known
  2. what one knows

CEDICT

Entry Composition

1 所 suǒ
  1. actually
  2. place
  3. classifier for houses, small buildings, institutions etc
  4. that which
  5. particle introducing a relative clause or passive

classifier: 個
2 知 zhī
  1. to know
  2. to be aware