I know it sounds crazy but it just might work.

我知道这事听起来很蠢，然而也许就会奏效。

《牛津词典》

It sounds crazy, but these computer driven driverless cars will soon be filling roads near you.

这听起来很疯狂，但这些电脑驱动的无人驾驶汽车很快就会出现在你身旁的道路上。

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"It sounds crazy to talk about guilt-free fur unless you understand that the nutria are destroying vast wetlands every year", says Cree McCree, project director of Righteous Fur.

皮草正义项目的总监克里·麦克里说：“如果你不知道海狸鼠每年都在破坏大量的湿地，那么说使用皮草没有愧疚感听起来会很疯狂。”

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And I know it sounds kind of crazy but we have a lot of fun as you can tell.

我知道听上去很疯狂,但我们相处得很快乐，你们看得出。

哈佛公开课 - 幸福课课程节选

It sounds crazy, but I dare anyone to do it, and I'd bet it would make them feel good.

CNN: Jackson could rest with the stars if buried at Forest Lawn Memorial

This sounds crazy, but then again so much of our intellectual property law is, at the very least, absurd.

FORBES: 'Dead Space 3' Exploits: Video Game Cheats In The Age Of Micro-Transactions [Updated]

To say kiss, it sounds crazy, but they're all people and that's how I saw them, whether I liked them or didn't like them.

CNN: Former 'Family Feud' host Richard Dawson dies