形容词

1. 认真的;勤勤恳恳的
Someone who is conscientious is very careful to do their work properly.

1. characterized by extreme care and great effort

e.g. conscientious application to the work at hand
painstaking research
scrupulous attention to details

Synonym: painstakingscrupulous

2. guided by or in accordance with conscience or sense of right and wrong

e.g. a conscientious decision to speak out about injustice