Travelers to Paris should be warned against working up too much of thirst while pounding its boulevards -- the city is identified as the priciest place for pre-dinner cocktails.

到巴黎旅行的游客要注意在沿着林荫大道走的时候，别让自己太渴。餐前鸡尾酒在巴黎的价格是世界最贵。

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Print Robin van Persie has warned Arsenal must be on their guard in Europe this season against all calibre of opposition after a scare in their first group match against Standard Liege.

范佩西警告说，阿森纳必须在本赛季警惕他们在欧冠赛场上碰到任何对手，他们在小组赛第一场比赛与标准列日比赛上被吓了一跳。

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News reports say,in 2007, Hasan warned Army officials of "adverse events" if Muslim-American soldiers continue to be sent into battle against fellow Muslims.

VOA: standard.2009.11.10

U.S.officials have warned North Korea against going ahead with what it says will be the launch of an experimental space satellite early next month.

VOA: standard.2009.03.25

But she warned members of the public to be on their guard against the virus.

BBC: Flu rate 'at record low'

But Ofsted warned that sustaining this level of improvement would be challenging against the "backdrop of greater expectations following last summer's London Games".

BBC: 'Not enough strenuous activity' in school PE

But the College of Me warned against being too hard on oneself, and so it should be said that I'm probably, everything ac-counted for, ordinary- handsome.

NPR: Chapter 1