Correct

勃然

/ bórán /
Strokes

Definition

suddenly/abruptly/agitatedly/excitedly/vigorously

Example

As an Adjective

vigorous; prosperous; thriving

1
Xiāngzhèn
乡镇企业
ránérxīng
勃然而兴

Township and village enterprises quickly began to flourish.

As an Adjective

agitated; excited

2
rán
勃然
biàn
色变

be visibly stung all of a sudden; change colour suddenly

3
rányuè
勃然不悦

be obviously unhappy/unpleased