At a glance means with a quick look.

一瞥指的是快速地看。

They saw at a glance what Filch had been shouting about.

他们一眼就看出费尔奇为什么大喊大叫了。

You can see at a glance, all your settings.

你一眼就能看到你所有的设置。

Tells at a glance different soils from each other.

但他一眼就能分辨出不同的土质。

At a glance I can distinguish China from Arizona.

我一眼就能分辨出中国和亚里桑那。

My managerial eye saw at a glance its capabilities for a theater.

我用主办人的眼光扫视了一下，看能不能改造成剧场。

She saw more cows at a glance than she had ever seen before.

而且她以前从来没有一眼望见过这么多的奶牛。

Then you can see at a glance what’s good or bad for you.

那样人们一瞥就可以了解哪些是对人体有利的，哪些是不利的。

He chanced half a glance at Ron, but Ron was staring determinedly at the ceiling.

他大着胆子用眼角瞥了瞥罗恩，罗恩在目不转睛地盯着天花板。

Can you figure out how to tell, at a glance, which arrangements can be made all gold?

你可以看一眼就知道哪些组合可以全部变成金的吗？