暗中

ànzhōng
  1. in the dark
  2. in secret
  3. on the sly
  4. surreptitiously

CEDICT

Entry Composition

=1 暗 àn variant of 暗 àn
=1 暗 àn
  1. dark
  2. to turn dark
  3. secret; hidden
  4. (literary) confused; ignorant
=1 暗 àn
  1. (literary) to close (a door)
  2. to eclipse
  3. confused; ignorant (variant of 暗 àn)
  4. dark (variant of 暗 àn)
2 中 zhōng
  1. within; among; in
  2. middle; center
  3. while (doing sth); during
  4. (dialect) OK; all right