一本正经
Traditional form:
一本正經
Pinyin (reading):
yīběnzhèngjīng
Definitions:
- in deadly earnest; deadpan
Characters:
- 一 - one; a, an; alone
- 本 - root, origin, source; basis
- 正 - straight, right, proper, correct, just, true
- 经 - the classics; to experience, to undergo
Traditional characters: