ō
interjection #497

Meanings

  1. 1 oh
  2. 2 I see

Examples

HSK 1
Ō, wǒ zhīdào le.
Oh, I see.
HSK 2
Ō, yuánlái shì zhèyàng.
Oh, so that's how it is.

Tips

usage
expresses mild realization or acknowledgment - the moment something clicks. Compare with (ó/ò), which leans toward surprise or doubt, and , which is nearly identical to in use.
register
Two other readings exist. Toneless is a Taiwan-flavored sentence-final particle that softens a correction or gentle admonishment (小心一点 = 'do be careful, ok?'). And (first tone) is onomatopoeia for a rooster's crow, almost always reduplicated as 喔喔 - the Chinese equivalent of 'cock-a-doodle-doo'.

Components

radical
kǒu
mouth
Mouth radical on the left - the indexing radical for nearly all interjections, exclamations, and onomatopoeia in Chinese. is a noise made with the mouth, hence the natural radical. Family: (ah), (oh), (alas), (ya), (hi), (ha).
phonetic
house; room (here phonetic)
Right supplies the sound - wū drifted to ō. Same phonetic in (grip). Pure phonetic loan; the 'house' meaning of contributes nothing - is just a sound. itself is (canopy) over (arrive), originally 'a place to arrive at' i.e. dwelling.

Stroke Order

ō