Be on one's mettle
鼓起勇气
🧩 词语组成解析
be
[bi]
v. 是;有，存在;做，成为;发生;
aux. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质;
on
[ɑn]
prep. （表示方向）向;（表示对象）对;（表示位置）在…上;（表示时间）在…之时;
adv. （放，穿，连接）上;向前，（继续）下去;
adj. 活动着的情况，状态;使用着的;发生着的;计划中的;
a. 人们的；自己的
mettle
['met(ə)l]
n. 内在的气质;精神，勇气;气概;
🗣️ 情景例句
And you'll have a full day in the country.
你们就可以在乡下待一整天啦。
He is surprised.
他大为惊讶。
is as the proportion of the total vocabulary of his mother tongue against those words of his own baby talk that are taken up into the vernacular of his family.
就好像他本国语言的总词汇量和自己咿呀学语时他家庭所接纳的他的词汇量之比。