You are a fool of the first water.

你真是个大傻瓜。

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One of the first water clocks was a basin with a small hole near the bottom through which the water dripped out.

最早的水钟之一是一个在底部附近有小洞的水盆，水从这个洞里滴出来。

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This young man had all the inclination to be a profligate of the first water.

这个青年完全有可能成为十足的浪子。

《新英汉大辞典》

First,there was the American space agency's discovery of water on the moon.

VOA: special.2009.12.30

And Celsius first used the boiling point of water, and called that 100 degrees Celsius, and the freezing point of water and called that zero degrees Celsius.

定义一些参考点，例如摄氏温标定义水的沸点，是100摄氏度,冰点是0摄氏度。

麻省理工公开课 - 热力学与动力学课程节选

Malaria,diarrhea,and typhoid- water-related diseases that are not fatal in First World countries- cause half of the child deaths in Yemen.

VOA: standard.2010.04.01

An eyewitness working on the west side of Manhattan said the belly of the plane touched the water first.

CNN: Pilot praised for 'masterful' landing

Of course the all important rule is all on board is to hydrate well, something the crew discovered toward the end of the first leg of the journey, when water levels on board were so low not enough could be spared to keep the on-board hydroponic garden alive.

CNN: STORY HIGHLIGHTS

And the University of Vermont became the first public university to ban the sale of bottled water last year.

WSJ: America's new love: Water