January faded imperceptibly into February, with no change in the bitterly cold weather.

一月份不知不地变成了二月份，寒冷的天气却没有变。

She nodded almost imperceptibly and then opened her mouth, but Snape forestalled her.

几乎不易地点了点头，张开嘴想说话，但斯内普抢先阻止了。

She shook her head almost imperceptibly, then resumed her own deadpan stare at the opposite wall.

令人无法地摇了摇头，然后又继续面无表情地盯向对面的墙了。

Wang noticed that her eyes dimmed almost imperceptibly.

注意到的眼睛几乎不易地黯淡了下来。

Imperceptibly I became conscious of a change in Biddy, however.

然而，我不知不地意识到了比的变化。

And it means that our baselines shift kind of imperceptibly and we don't really notice.

这意味着我们的基准线在不知不中发生了变化，我们并没有真正注意到。

Most are so far away that they move imperceptibly.

大多数都离得很远， 至于他们不知不地移动着。

So, sometimes evolutionary changes are big and obvious, but sometimes they're almost imperceptibly small.

所， 有时进化的变化是巨大而明显的，但有时它们几乎是难的。

Every time a wave hits, the mast lifts slightly, almost imperceptibly.

每当海浪袭来，桅杆便微微抬起，几乎难。

Moreover, as she grovelled, she moved imperceptibly nearer to her objective.

而且，一边低着头， 一边不知不地靠近了目标。

The diameter is held to a great height, the taper being almost imperceptibly gradual.

直径保持在很高的高度， 锥度几乎是难的渐变。

Then, imperceptibly, we were in deep hammock.

然后，不知不中， 我们陷入了深深的吊床。

Sue imperceptibly shrank away, her flesh quivering under the touch of his lips.

苏不知不地缩了回去，的肌肤在他唇瓣的触碰下微微颤抖。

Suddenly, almost imperceptibly, the sigma curve gave signs of flattening out.

突然间，几乎难地，西格玛曲线开始显现出趋于平缓的迹象。

Benign compassion imperceptibly morphs into condescension and malice, with ominous threats of violence.

善意的同情心在不知不中演变成居高临下和恶意，并带有不祥的暴力威胁。

That has changed, albeit pretty imperceptibly.

尽管变化很微妙，但情况已经发生了变化。

So imperceptibly I found myself adopting a new attitude towards the other half of the human race.

不知不中，我发现自己对另一半人类采取了新的态度。

By leaving the pearl buried beneath the giant clam's mantle, he allowed it to grow imperceptibly.

他把珍珠埋在巨蛤的外套膜下，让它在不知不中生长。

Above him the pitch of the rotor blades flattened imperceptibly and the helicopter settled smoothly into the space between the four torches.

在他上方，旋翼桨叶的倾斜度不知不地变平了，直升机平稳地停在了四个火炬之间的空间里。

By leaving the pearl buried beneath the giant clam's mantle, he allowed it to grow imperceptibly. With each passing year the mollusk's secretions added new concentric layers.

把这颗珍珠塞在那只车渠的衣膜里面，无形中这珠就可渐渐大起来了。每年，那软体动物的分泌物都在环绕珍珠周围的薄膜上累积起来。