fù​zé​rèn

conscientious

负责任 (負責任) fù​zé​rèn
conscientious verb
to be reliable and take one's duties seriously

He is a very responsible team leader at work and is deeply trusted by everyone.

take responsibility verb
to bear the blame or accountability for an action or situation

You should take responsibility for this accident.

Frequency

Written text
11.2 per million

Sources

Definitions
CC-CEDICT
Frequency data
BCC Corpus (BLCU)