But doubt darkens his expression.

但是表情却表现出怀疑。

The sky darkens, my life flashes.

天空暗了下来，我的生命闪烁告警。

The sky darkens, my life flashes.

天空变暗，我的生命闪烁消失。

It darkens but the track is still seen.

天色变暗了，但仍然看的见车痕。

Clouds heap upon clouds and it darkens.

云霾堆积，黑暗渐深。

It darkens even moreafter her second child.

第二个孩子出生之后，她的头发颜色会变得更深。

And if house prices fall, the picture darkens.

而且如果房价下跌的话，形式会一片黑暗。

Her face darkens when she mentions the new law.

当他提到这想法律时，他的脸色又暗下来几分。

But this color darkens when exposed to the sun.

但这种颜色暴露在阳光下将会变暗。

The sky above turns overcast, then steadily darkens.

头顶的天空开始转阴，然后渐渐黑了下来。

Why the sun lightens our hair, but darkens our skin?

为什么太阳能把头发晒浅，却能把皮肤晒黑？

Why the sun lightens our hair, but darkens our skin?

为什么太阳能把头发晒浅，却能把皮肤晒黑？ ？

Themoon's shadow darkens part of Earth during a solar eclipse.

在一次日食中，月亮的影子使地球的一部分黑下来。

As the sun sets, the sky darkens and the moon and stars appear.

随着太阳落下，天空逐渐变黑，而月亮和星星开始出现。

The fireworks display will begin at night, when the sky darkens.

烟花将在傍晚，当天空变黑的时候放。

A total solar eclipse darkens the skies in Chongqing municipality in China.

当日全食食甚来临，重庆市的天空被一片黑暗笼罩。

In a cool climate, its appears pure blue, but darkens to a purple when the temperature rises.

在凉爽的气候下，它呈纯蓝色，但随着温度的升高，它会变暗，逐渐呈现出紫色。

It's a different kind of tan because it high amounts of UVA, which darkens the skin quickly.

这是一个不同类型的棕褐色，因为它的紫外线，而皮肤迅速变暗高数额的。

But occasionally the sky darkens, the air becomes heavy, and a cool torrential rain fills the dry gullies.

可是有时天空也会突然转暗，空气变得浊重，接着就是一场急骤的冷雨倾注到干涸的沟壑。

Clouds heap upon clouds and it darkens. Ah, love, why dost thou let me wait outside at the door all alone?

乌云堆积，越来越暗。呵，爱，你为何让我独自等候在门外？

Clouds heap upon clouds and it darkens. Ah, love, why dost thou let me wait outside at the door all alone?

云霾堆积，黑暗渐深。呵，爱，你为什么让我独在门外等候？

His expression darkens Further, I also have to stop elder brother from more malicious action as soon as possible.

我真的没事了，虽说二哥已经派人通知你爹，你要老不回去你爹也会担心的再说，我也要尽快设法制止大哥才行。

I'd ferry across the Yellow River, but waterway blocked by ice; About to go up Mt. Taihang, but snow darkens the sky.

欲渡黄河冰塞川，将登太行雪暗天。

In response to the UV rays frying your inner layer of skin, your body produces more melanin pigment that darkens the skin.

作为对紫外线灼伤内皮层的反应，你的身体会产生更多的黑色素使皮肤颜色变深。

One night a accidentally bumped into a man, and perhaps because of the near darkens he saw me and called me an insulting name.

一天晚上我碰巧撞上了一个男人。大概是因为周围一片漆黑，他看见了我，然后骂了我。