Email is very useful, but also very dangerous, as you don't know where your message might end up!

电子邮件非常有用，但也非常危险，因为你不知道你的信息可能会传到哪里！

youdao

Some parents may still insist that their right to dissuade a toddler from doing very dangerous things is also worth protecting; but they are losing the argument.

有些父母仍坚持说他们有权制止什么都不懂的孩子犯险，这种说法也有些道理，但经不起推敲。

youdao

But do these two jobs are not easy, also very dangerous, such as the doctor may have infectious diseases, do astronautsrocket launching and landing could explode.

但是要做这两份工作是不容易的，还很危险的，比如做医生有可能感染传染病，做宇航员火箭发射和降落时有可能会爆炸。

youdao

But they were also considered to be very dangerous.

VOA: special.2010.03.10

There is nothing wrong with healthy skepticism, but there is also nothing wrong in acknowledging that a little knowledge can be a very dangerous thing, that there are really people out there whose in-depth educations and experience better qualify them to address certain issues.

FORBES: 10 Questions To Distinguish Real From Fake Science