一反往常 yī fǎn wǎng cháng

DEFINITIONS

  1. contrary to usual
  2. unlike what usually happens

CHARACTERS

一 yī
HSK 1
one; a, an; alone
反 fǎn
HSK 4
reverse, opposite, contrary, anti
往 wǎng
HSK 2
go, depart; past, formerly
常 cháng
HSK 2
common, normal, frequent, regular