shū​bù​zhī

unexpectedly

殊不知 shū​bù​zhī
unexpectedly adverb
little did one imagine; unaware that (often used to introduce a surprising or contrary fact)

He thought he had already won, unaware that his opponent still had a trick up their sleeve.

Frequency

Movie subtitles
0.120 per million appears in 0% of films
Written text
3.02 per million

Sources

Definitions
CC-CEDICT