Tell Elena I'll be back before nightfall.

告诉埃琳娜我会在傍晚前回来。

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.

我们在来之前一定要回去。我说。

" By nightfall I shall have no foes" .

" 了黄昏，`w-r-w-h-u。c-o-m`我就没有敌人了。"

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

希望我能在天前赶巴士站。

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.

幕降后不久，目击者听了一阵巨大的爆炸声。

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

" 希望没有。我们必须在入前找合适的地方。"

After nightfall the storm grew in intensity.

随着幕降，暴风雨的强度增大了。

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

“你打算在傍晚以前把车克斯吗？”

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

人们常常看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.

但是对于玛玛杜来说，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.

幕降时，路上几乎就没什么车了，也几乎没人敢门。

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

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.

幕降，他们了布莱梅，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激素。

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

晚来，你慢慢给浮鳔充气，使你的身体比重变小、往水面上升。