Tell Elena I'll be back before nightfall.

告诉埃琳娜会在傍晚前回来。

He was screaming for his mother by nightfall.

傍晚的时候，他尖声叫喊着妈妈。

We ought to be back before nightfall, I said.

们在黑夜到来之前一定要回。。

" By nightfall I shall have no foes" .

" 到了黄昏，`w-r-w-h-u。c-o-m`就没有敌人了。"

Hopefully, I'll get to the bus station before nightfall.

希望能在天黑前赶到巴士站。

By nightfall, Keita was giving a speech on state TV.

傍晚时分，总统凯塔在国家电视台发表讲话。

Soon after nightfall, witnesses heard a massive series of explosions.

夜幕降后不久，目击者听到了一阵巨大的爆炸声。

" I hope not. We need to find shelter before nightfall" .

" 希望没有。们必须在入夜前找到合适的地方。"

After nightfall the storm grew in intensity.

随着夜幕降，暴风雨的强度增大了。

" Were you planning to make it out of Forks before nightfall? "

“在傍晚以前把车开出福克斯吗？”

This couple is often seen walking along the beach in the nightfall.

人们常常看到那对夫妇在傍晚沿着海滩散步。

It is therefore advisable that you complete your shopping well before nightfall.

望顾客于傍晚之前采购完毕是幸。

But, for Mamadou, nightfall means he has no choice but to stop.

但是对于玛玛杜来，黑夜令他别无选择，只能停歇。

And it's not nightfall yet—what if Sirius Black turns up today?

而且现在天还亮着呢，要是小天狼星布莱克今天呢？

At nightfall, few cars moved on the streets and almost nobody ventured outside.

夜幕降时，路上几乎就没什么车了，也几乎没人敢出门。

The prepare for nightfall trope can be fitted into the larger survival genre.

黑夜绸缪的类型可以归类于更大的求生类型。

By nightfall, they were almost in Bremen, but needed somewhere to stop for the night.

夜幕降，他们到了布莱梅，但需要找个地方留宿。

Officials in Tanzania say 37 of those on board were rescued before the nightfall.

坦桑尼亚多位官员表示，船上有37人在黄昏前获救。

But with nightfall comes the release of sleepy melatonin hormones from the pineal gland.

但是在晚上，就会从松果体分泌褪黑激素。

Come nightfall, you slowly fill it up, becoming less dense and rising towards the surface.

夜晚来，慢慢给浮鳔充气，使的身体比重变小、往水面上升。