However, the cold weather seems to be imperceptible to winter swimming enthusiasts.

然而天气并没有却冬泳爱好者们热情。

Or is it his almost imperceptible limp from last year's water crossing?

还是他去年过河时几乎察觉不到跛行？

An almost imperceptible raise of the hand indicates a bid.

一个几乎觉察不到举手则表示叫牌。

The idea is that it's sort of imperceptible which one it is.

这个想法是，它有点难以察觉该是哪一个定位。

Oh, gives a little bit of spray. It's almost imperceptible.

它喷出了一点点毒液，几乎察觉不到。

Yet, imperceptible to the human eye.

然而肉眼却无法看见它。

His hearing is better than ours too, tuned to sounds that are completely imperceptible to the human ear.

它听力也比我们强，能听到人耳完全听不到声音。

I bowed to him. He gave me an almost imperceptible bow in return, without saying a word to me.

我向他行个礼。他回答我一个礼，这是一种差不多看不出来礼，一句话也没有说。

These are vocalizations which are normally imperceptible to humans, and which form a fundamental part of cetacean social behavior.

这些发声通常是人类察觉不到，也是鲸目动物社会行为组成部分。

A quiet crunch, an almost imperceptible wobble under his feet.

一阵几乎不易察觉嘎吱声，脚下微微一颤。

And you're imperceptible in terms of difference.

而你几乎察觉不到差异存在。

He'd give a little imperceptible shiver, I think.

我想他会微微地、几乎察觉不到地颤抖一下。

That would be just completely imperceptible to us.

那对我们来说将完全无法察觉。

And it's completely imperceptible because he doubles down on the word exist, exist.

这句话完全不易察觉，因为他对“存在”这个词进行了强调，反复使用“存在”。

Their intimacy increased by regular and almost imperceptible degrees.

他们亲密程度有规律地增加， 几乎难以察觉。

This last with soft, almost imperceptible, cynicism.

最后是柔和、几乎难以察觉愤世嫉俗。

The instances of a word shade off into other movements by imperceptible degrees.

一个词实例以难以察觉程度逐渐融入其他动作。

I don't know why that thought filled me with a very faint, almost imperceptible joy.

我不知道为什么这个想法让我心里充满了一种非常淡淡、几乎难以察觉喜悦。

The almost imperceptible shrug that said Who cares about her?

几乎察觉不到耸耸肩, 说谁关心她?

Yet, this genetic material may be present in such imperceptible amounts that actually detecting it is difficult.

然而，这种遗传物质可能以难以察觉数量存在，以至于很难真正检测到它。