secure in the knowledge that one has backing
⇒ 经理的秘书总是对我们指手画脚,因为她有恃无恐。
The manager's secretary is always bossing us around, secure in the knowledge thatshe has backing.
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。