conscientious
adj.
1610s, from Middle French conscientieux (16c.; Modern French consciencieux), from Medieval Latin conscientiosus, from conscientia (see conscience). Related: Conscientiously; conscientiousness.
〔蒋〕[sci=know知，字母拼写改变;ce→t ，-ious形容词后缀，…的] 凭良心的，诚心的，认真的