原封不动 yuán fēng bù dòng

DEFINITIONS

  1. sticking unmoving to the original (idiom); not an iota changed
  2. untouched

CHARACTERS

原 yuán
HSK 4
source, origin, beginning
封 fēng
HSK 4
letter, envelope; feudal
不 bù
HSK 1
no, not; un-; negative prefix
动 dòng
HSK 2
move, happen; movement, action