They'll be back well before dark.

他们会在天黑以前回来。

《柯林斯英汉双解大词典》

He'll be back on Monday.

他星期一会回来。

《牛津词典》

They'll be back by suppertime.

他们晚饭前会回来。

《柯林斯英汉双解大词典》

But Dennis Jin disagrees: For high school students in China, we must reach class at six-twenty in the morning and be back home sually at ten in the evening.

VOA: special.2010.10.14

- So that brings us back to -- it's a feature that will be disabled by tonight, I'm sure.

所以那个带我们回到-,这个特征在今天晚上会被关闭，我确定。

哈佛公开课 - 计算机科学课程节选

So yet once more -- and I promise this will be one of the last times that we look back at Milton's mask - but yet once more, let's look at Comus.

因此我们要再一次--我保证,这将是我们最后一次回顾弥尔顿所写的这出面具戏,不管怎么着，让我们再次回顾《科玛斯》

耶鲁公开课 - 弥尔顿课程节选

The 30-year-old Combe will be experienced back-up to Hearts' Craig Gordon and Celtic's David Marshall.

BBC: SPORT | Football | Internationals | Scotland call for keeper Combe

At the very least, small-scale and low-tech gemstone-mining could be a fall-back for the country's beleaguered herders.

ECONOMIST: Somaliland

The top-of-the-line N900 Central differentiates itself with 1- or 2-terabyte internal storage that can be configured to automatically back-up files.

FORBES: Western Digital Unveils Routers Designed to Speed Up Home Entertainment