On every packet of cigarettes, people are warned against the dangers of smoking: "Warning: Cigarette Smoking Is Dangerous to Your Health."

每包香烟上都会警告人们吸烟的危害：“警告：吸烟有害健康。”

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They can give people some warning to keep away from a dangerous tornado.

它们可以为人们提供一些警告，使其远离危险的龙卷风。

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We know more and more about risk factors, gene-environment interactions, and warning signs of dangerous behavior.

我们越来越了解危险因素，基因-环境的交互影响，危险行为的警示标志。

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Automobile intelligence already assists the driving experience by warning of dangerous situations and taking control of parking, which is, for some people, the most difficult maneuver to perform.

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"Only 10 days ago we were out warning people how dangerous the Tories would be, " he explained to Today presenter Justin Webb.

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On the same day, Castleford Tigers full-back Ryan McGoldrick was cautioned for use of his forearm in his side's 19-18 win at Hull FC, while team-mate Mitchell Sargent and Huddersfield Giants hooker Scott Moore were told they will receive warning letters for making dangerous throws.

BBC: Leeds' Diskin cleared over tackle