When bad weather prevented navigators from seeing the sun,moon or stars, they had to use a method called "dead reckoning" to find the ship's position.

VOA: special.2009.12.23

and the campus is so nice and the weather is beautiful, so it wasn't that bad.

校园很漂亮，天气也很好，所以都挺不错的。

关于学校生活 - SpeakingMax英语口语达人

Bad weather has interfered with efforts to send out boats to clean up the oil and watch for the effects on wildlife in the Gulf of Mexico.

VOA: special.2010.05.04

But with continued bad weather and ruined snow, workers were finding that their feet were going through gaps in the snow.

VOA: standard.2010.02.16

She says 25 people died from the bad weather and from the floods.

VOA: standard.2009.09.05

A spokesman in Papua said bad weather is hampering search efforts.

VOA: standard.2009.08.02

But it has been hit by bad weather in recent days.

VOA: standard.2010.08.06

The bad weather has also created travel problems at sea.

VOA: standard.2009.12.21

Now the weather was bad. He could not see much ahead,only the fog.

VOA: special.2009.03.18

Often,the weather was so bad he could not see where he was.

VOA: special.2009.03.18

Wet clothes and cold weather are a bad mix.

VOA: special.2009.12.23

Channel 4 and other British media delivered more bad news including weather-related deaths.

VOA: standard.2010.01.10