三頭兩日

三头两日
sāntóuliǎngrì

every two or three days (something bad happens); almost everyday

Wiktionary

Entry Composition

=1 三 Sān surname San
=1 三 sān
  1. three
  2. 3
=2 頭 tóu
  1. head
  2. hair style
  3. the top
  4. end
  5. beginning or end
  6. a stub
  7. remnant
  8. chief
  9. boss
  10. side
  11. aspect
  12. first
  13. leading
  14. classifier for pigs or livestock

classifier: 個
=2 頭 tou suffix for nouns
=3 兩 liǎng
  1. two
  2. both
  3. some
  4. a few
  5. tael, unit of weight equal to 50 grams (modern) or 1⁄16 of a catty 斤 jīn (old)
=3 兩 liàng Original form of 輛／辆 (liàng).
=4 日 Rì abbr. for 日本 Rìběn, Japan
=4 日 rì
  1. sun
  2. day
  3. date, day of the month