be principled
⇒ 父亲深明大义,送儿子去投案自首。
The father was very principled: he sent his son to give himself up.
英语词典包含298861条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。