In emerging economies public debt of more than 40% of GDP is considered dangerous. That is less than half the ratio in much of the euro zone.

在新兴经济体，国债占gdp的40%以上就被看作是危险的，但这一比率还不到欧元区的一半。

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If it isn't advisable for one half of a couple to get tied into the other's loans and bills, it is even more dangerous to bring family members into the picture.

恋爱双方共同贷款或付账单已是不推荐的做法，将家庭成员牵涉进来就更是危险了。

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Cesium-137, with a half-life of 30 years, is another dangerous substance emitted in a full-scale nuclear meltdown.

核反应堆完全熔解后，会释放出另一种危险物质铯- 137。铯- 137的半衰期为30年。

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The Democrats met just three blocks from the White House, but with half a meter of snow on the ground from a winter storm, the trip became dangerous.

VOA: standard.2010.02.06

Slovenia grew more dangerous as the half progressed and Novakovic squandered another opportunity, heading straight at Taylor from Kirm's cross.

BBC: Slovenia 0-1 Northern Ireland

But it was as close as Italy came with Brazil looking increasingly dangerous the longer the half went on.

BBC: Italy 0-3 Brazil

"Some of Scotland's most dangerous criminals are serving only half their sentence, regardless of how they behave while inside, " he said.

BBC: Knife crime jail terms to increase in Scotland