英语词汇be on (或 upon) one's mettle怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	be on (或 upon) one's mettle
释义	be on (或 upon) one's mettle 奋发，准备尽最大的努力 We'll have to be on our mettle to win the game. 要在这场比赛中获胜，我们得准备尽最大的努力。
随便看	popping the question popping up popple popple popple poppled popples popple² popple¹ poppling popply popply poppy poppy poppycock poppycockish poppycocks Poppy Day poppyhead poppyheads poppylike poppy red poppy reds poppy seed poppy seeds

英汉双解词典包含548777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。