大无畏的英文：
utterly fearless

参考例句：

Her undaunted spirit did not shrink from the only correct answer
她的大无畏的精神使她不畏惧追求唯一正确的答案。

They have demonstrated enormous bravery and professionalism in the face of great danger.
他们在巨大的危险面前表现出大无畏的精神和职业军人的素质。

He seemed to spearhead every important city so fearlessly and successfully
每次进攻重要城市，他似乎都以大无畏的精神充当先锋，而且攻无不克，战无不胜。

utterly是什么意思：
adv. 完全地；彻底地；十足地

They were utterly unfit to govern.
他们完全不胜任管理。

He is utterly ignorant of staff.
他对五线谱一窍不通。

I'm utterly confused.
我彻底地困惑了。

She was frightened by an utterly false accusation and an utterly scurrilous threat
她受到人家彻头彻尾的诬告，还被人家彻头彻尾的卑鄙威胁吓坏了。

Did it bar him thus utterly?
难道他因此就完全地没有指望吗？

fearless是什么意思：
adj. 大胆的，无畏的

The soldiers followed their fearless leader into the battle.
士兵们随着他们勇敢的指挥官投入战斗。

He is brave and fearless. He has the makings of an explorer.
他英勇无畏，具有探险者的气质。

The hunters were fearless when confronted with wild animals.
这些猎手面对野兽毫不畏惧。

The major impregnated the soldiers with his own fearless courage.
少校把他自己那份无所畏惧的勇气灌输给了士兵们。

But in some way you are not alone you are the symbol of braveness courage fearlessness.
但是在某种程度上，你又不是孤独的人，你是勇敢、胆量、无畏的象征。