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1·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》

2·As far as I'm concerned, the Internet is a double-edged sword. We must remain skeptical of Internet information.

我认为互联网是把双刃剑。我们必须对网上的信息保留怀疑态度。

3·Since technology is a double-edged sword, the development it brings and its potential threats are two sides of the same coin.

技术是一把双刃剑，因此它所带来的发展及其潜在威胁是紧密相关的。

4·Even his praise is double-edged.

即使他的赞扬也是可以有两种解释的。《柯林斯英汉双解大词典》

5·But tourism is double-edged, for although it's boosting the country's economy, the Reef could be damaged.

但旅游业是有利有弊的，因为尽管它能繁荣国家经济，海礁却会被破坏。《柯林斯英汉双解大词典》

6·The mobile phone is a double-edged sword for teenagers.

手机对青少年来说是一把双刃剑。

7·He has found that humor is a double-edged sword.

他发现幽默是一把双刃剑。

8·Let us look at an idiom: kill two birds with double-edged sword.

我们再看一个成语：一举两得/一箭双雕。

9·Advanced technology is usually a double-edged sword, which can bring people both benefits and harms.

先进的技术通常是一把双刃剑，它可以给人们带来好处和危害。

10·Alcohol is a double-edged sword.

酒是一把双刃剑。

双刃的

1·The Internet is part of their lives, rather than double-edged sword.

互联网是生活的一部分，而不是双刃刀。

2·Adrenalin junkies can get their fix by balancing sharp hatchets and double-edged axes over their heads before hurling them at painted wooden bullseyes.

喜欢这种刺激运动的人会先在头顶平衡一下锋利的短柄小斧和双刃斧，瞄准位置，然后再向彩色的木制靶眼投过去。

3·Abstract: Is a double-edged knife is a kind of multifunctional kitchen knife blade two.

正文快照： “双刃菜刀”是一种两个刀刃的多功能菜刀。

(1)double-edged sword双刃剑（指对双方皆不利的局面，或敌我不分的计谋）；双面刃