bù​jìn​rán

not necessarily so

不尽然 (不盡然) bù​jìn​rán
not necessarily so adverb
not entirely correct or not necessarily the case

While there is some truth to this statement, the facts are not quite like that.

Frequency

Movie subtitles
1.28 per million appears in 1% of films
Written text
0.440 per million

Sources

Definitions
CC-CEDICT