It would be a crime to travel all the way to Australia and not stop in Sydney.

如果千里迢迢去澳大利亚而不在悉尼停留，那就是大错特错。

《柯林斯英汉双解大词典》

That would be a step in the right direction. But it is unlikely to be adequately funded, and it does nothing to take organised crime out of the picture.

这将会是向正确方向迈出的一步，但显然不会得到足够的资助，而且没办法消除组织犯罪。

youdao

It would be a crime if [the bot master] was, and I use the word reluctantly, hacking - trying to delve into the site to obtain data he hasn't got rights to use.

如果使用算牌器是犯罪的话，那么使用黑客技术入侵网站获取本来无权获取的数据也是犯罪。

youdao

If that reason were true, it would be a crime to act on it.

ECONOMIST: The case for globalisation

The more offenses the biological parents had, the more likely it was that their offspring would be convicted of a crime.

WSJ: Neurocriminology: Inside the Criminal Mind

It would be close to the perfect crime to create a pseudomonetary system that rips off other evildoers.

CNN: Don't get bitten by Bitcoins