1·However, it can be a double edged sword.
然而，这可能是把双刃剑。
2·A double edged razor will last a lot longer than disposable razors.
双面剃须刀比可抛弃型剃刀寿命长的多。
3·A double edged razor will last a lot longer than disposable razors. You'll save money too.
双面剃刀比可替换剃刀更耐久，同时你也省了钱。
4·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》
5·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。
6·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。
7·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》
8·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》
9·He has found that humor is a double-edged sword.
他发现幽默是一把双刃剑。
10·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。