Warn other traffic by displaying a red triangle or switching on hazard warning lights or the lights or by any other means.

放置红色三角牌或打开危险警示灯或其他灯或别的什么方式提醒后来的车辆。

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Corrosion building foundations caused by groundwater is a type of natural hazard developed widely and slowly. It poses the greatest threat to the foundations of towns in the red beds area.

地下水对建筑物基础腐蚀是发育广泛、速率缓慢的地质灾害，它对红层区城市基础工程危害尤显突出。

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Red tide is an ocean phenomenon which often occurs, and now it has become a world wide hazard.

赤潮是一种经常爆发的海洋现象，现已成为一种世界性的公害。

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Hazard was shown a straight red card by referee Chris Foy.

NPR: Chelsea Star Ejected For Kicking At Ball Boy

Hazard's kick and red card is just the latest in series of setbacks following the club's exit from the European Champions League and its dismal league form which has seen the London team fall 11 points off the lead, leaving Chelsea to focus on cup competitions -- the FA Cup and the Europa League.

CNN: Chelsea's Hazard sent off for kicking ball boy

Mayor NAGIN: If you see a red sticker on a home, that means that our inspectors think there is a structural hazard and we recommend you not go in.

NPR: New Orleans Residents Return to a Changed City