A person's looks are a double-edged sword. Sometimes it works in your favour, sometimes it works against you.

一个人的相貌是一把双刃剑。有时它对你有利，有时又对你不利。

《柯林斯英汉双解大词典》

The "Double Bubble", as it is called, looks awkward, but the team estimates that its design would reduce fuel consumption by about 70%.

这架“双泡沫”，暂且这么称呼，看起来不雅观，但它的研发组估计这种设计能将油耗减低70%。

youdao

The syntax looks odd because of the double {{ braces.

这个语法看起来很古怪，古怪之处就在于这个双括弧 {{ 。

youdao

All right. So you probably read in the book that the bassoon is a double reed instrument, and so just to show you what that looks like-- You've probably seen it but if you haven't, two pieces of wood vibrate together when I blow through them.

好的,你们可能在书上看到过,巴松管是个双簧乐器,我将为你们演示双簧怎样演奏,你们可能见过,如果没有请看我演示,我吹奏时,两个木片会一起震动

耶鲁公开课 - 聆听音乐课程节选

Finding small-cap ETFs with the potential for double-digit gains looks kind of difficult.

FORBES: 5 Small-Cap ETFs That Can Jump 10% Or More This Year

Now, with massive stimulus in the past, inflation under control, and real estate no longer rising in the double digits, China looks like it has neared its bottom.

FORBES: Barclays Reiterates 'No Hard Landing' Call For China

So rather than being a formidable barrage, Mr Brown's double declaration of war looks instead like a white flag: an admission that he urgently needs to shore up Labour's core vote.

ECONOMIST: Bagehot