更何况

更何況
gènghékuàng
  1. let alone; not to mention; much less
  2. what's more; in addition

Wiktionary

Entry Composition

=1 更 gēng
  1. to change or replace
  2. to experience
  3. one of the five two-hour periods into which the night was formerly divided
  4. watch (e.g. of a sentry or guard)
=1 更 gèng
  1. more
  2. even more
  3. further
  4. still
  5. still more
2 何况 hékuàng
  1. let alone
  2. to say nothing of
  3. besides
  4. what's more