A train must not pass a signal that is at danger.

火车切不可越过危险信号。

《新英汉大辞典》

The South Australian Environment Department says an endangered breed of bird has returned to nest at danger Point.

南澳大利亚州环境局日前宣布，当地一种濒危的鸟类——燕鸥已经回来筑巢。这是一个令人十分鼓舞的现象。

youdao

At night, danger lurks in these streets.

夜晚这些街上隐藏着危险。

《牛津词典》

It is because of the heroism, the calm under pressure,the grace with which these three gentlemen operated, but also the entire NASA family that was able to, at great risk oftentimes and with great danger, was somehow able to lift our sights not just here in the United States, but around the world,"

VOA: standard.2009.07.20

The wounded guard warned the trainmen of the danger at the bridge.

VOA: special.2009.06.25

The ongoing debt crisis in Greece and other southern European countries served as a reminder at this meeting of the danger of overspending - but also of the possibility that trimming spending too sharply could plunge the world economy back into recession.

VOA: standard.2010.06.05

Many of the current lamp posts are made of concrete and are showing signs of wear, with some at danger of collapse.

BBC: Energy saving hope for new street lights

These numbers are still not at danger levels, but are getting closer.

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The HSE said that there were 56 instances of trains passing signals at danger in May 2001 - 21 more than in May 2000 and seven more than the average figure for this month over the last six years.

BBC: Rail firm defends safety record