一反常態 yī fǎn cháng tài

DEFINITIONS

  1. complete change from the normal state (idiom); quite uncharacteristic
  2. entirely outside the norm
  3. out of character

CHARACTERS

一 yī
HSK 1
one; a, an; alone
反 fǎn
HSK 4
reverse, opposite, contrary, anti
常 cháng
HSK 2
common, normal, frequent, regular
態 tài manner, bearing, attitude