无动于衷的英文：
[Literal Meaning]
not/move/aux./heart
One's heart is not moved at all.

[解释]
衷：内心。心里一点也没有触动，表现非常冷淡。

[Explanation]
to be emotionless and unconcerned

[例子]
即使碰到困难她也不会向你求助的，但你不能无动于衷。

[Example]
Even if she has difficulties, she will not ask help from you. But you cannot be emotionless and unconcerned.

[英文等价词]
nonchalance

Insensible to criticism.
对批评无动于衷

But George was unsympathetic.
但乔治却无动于衷。

The pluterperfect imperturbability of the department of agriculture
农业部完完全全无动于衷。

I know it's nothing serious and I feel quite unemotional about it.
我知道那根本没什么大不了的，所以有些无动于衷。

He heard a low murmur of voices and in the same instant his consciousness recorded without bitterness the fact that…
他听见唧唧哝哝的低声谈话，他的意识立刻无动于衷地记录下这样的事实…

It made no difference to the raccoon
浣熊仍无动于衷。

They wore apathetic toward the proposal.
他们对那项提议无动于衷。

He made an affectation of indifference.
他装出无动于衷的样子。

NumB to yet another appeal.
对又一个请求无动于衷

His style is void of affectation.
他装出无动于衷的样子。