?鼓起勇气
... be on one's mettle鼓起勇气 put someone on his mettle考验某人 be upon one's mettle奋发 ...
鼓起勇气
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。