令人震惊地，这种毫无作用又危险的外科手术直到20世纪30年代才结束。

Shockingly, this useless and dangerous surgery did not end until the 1930s.

《柯林斯英汉双解大词典》

海上的生活，正如任何渔夫或水手都会告诉你的那样，既艰苦又危险。

Life on the sea, as any fisherman or sailor could tell you, is hard and dangerous.

youdao

他感到又危险又孤单。

He felt unsafe and alone.

《牛津词典》

There's almost a danger here in listening to it too long or describing it in too much detail and the danger seems or what Milton thinks of as the peril seems to involve the problem of time.

听太久的话几乎都会有危险,描写过细的话,又会花费很多时间。

耶鲁公开课 - 弥尔顿课程节选

At the same time it's dangerous.

但同时，这又很危险。

耶鲁公开课 - 现代诗歌课程节选

And to the monarchists, he was a dangerous skeptic and free thinker.

而对于君主论者，他又是个危险地怀疑分子和自由思想家。

耶鲁公开课 - 政治哲学导论课程节选