卻是

却是
quèshì
  1. nevertheless
  2. actually
  3. the fact is ...

CEDICT

Entry Composition

1 卻 què
  1. but
  2. yet
  3. however
  4. while
  5. to go back
  6. to decline
  7. to retreat
  8. nevertheless
  9. even though
=2 是 shì
  1. to be (followed by substantives only)
  2. correct; right; true
  3. (respectful acknowledgement of a command) very well
  4. (adverb for emphatic assertion)
=2 是 shì variant of 是 shì