表示“胆大”， 怎么用英语来表达？

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英语翻译"胆大"， 可以使用这些形容词或者其相对应的同源词。
audacious
bold
bolder
boldness
brash
brave
bravest
daring
emboldened
enterprising
fearless
foolhardy
intrepid
plucky
reckless


最后他忍不住要想弄个明白，就胆大起来，伸手到口袋里。
In the end the temptation to find out overcame his fear; he slipped a hand into his pocket.

最后，他胆大起来，或是假装不在家，或是挥挥手叫他们走开。
At last he became bold, pretended to be out, or waved them off.

怎么突然胆大起来了
How come she's so bold now?

要想让这些孩子变得胆大起来，看看以下几个妙招。
Just look at the right companies to get a cheap Itsite.

起初埃塞俄比亚期相当谨慎，这是试探而已；但当他们认识到他们可以拒绝而不受惩罚时，便胆大起来。
It was tentative and cautious at first, but gained boldness and audacity when it realized that it could do so with impunity.