日甚一日

rìshènyīrì

to worsen day by day

Wiktionary

Entry Composition

=1 日 Rì abbr. for 日本 Rìběn, Japan
=1 日 rì
  1. sun
  2. day
  3. date, day of the month
=2 甚 shén variant of 什 shén
=2 甚 shèn
  1. excessive; undue
  2. to exceed; to be more than
  3. very; extremely
  4. (dialect) what; whatever (Taiwan pr. shén)
3 一日 yīrì
  1. (literary or dialectal) one day
  2. (literary) another day in the future
  3. (literary) yesterday
  4. another day in the future
  5. one day
  6. yesterday