1.Water，水，表示物质名称是不可数名词。
There is hot and cold running water in all the bedrooms.
所有的卧室里都有冷热自来水。
I need to drink more water.我需要喝更多水。
The village gets its water from a nearby well.这个村庄从附近的井获得水源。
We went fishing in the calm waters of the lake.我们在湖面平静的水域钓鱼。
She enjoys swimming in the open water.
她喜欢在开阔的水域游泳。
There is hot and cold running water in all the bedrooms.
所有的卧室里都有冷热自来水。
The pump doesn't work and we have no running water.
水泵坏了，我们没有自来水了。
The system wastes a large amount of water.
这套系统浪费了大量的水。
He spends money like water.
他挥霍无度。
另外指大片的水；水域；（尤指）江，河，湖，海；（一片）水面；也是不可数名词
an area of water , especially a lake, river, sea or ocean；the surface of a mass of water
We walked down to the water's edge.
我们步行到水边去。
Trees and bushes grew down to the water's edge.
树和灌木丛一直长到了水边。
The water squirted all over me.
唧了我一身水。
She fell into the water.
她失足落水。
shallow/deep water
浅 / 深水域
2.“water”作为湖水、瓶装水、海域，（海、江、湖、池、河等大片的）水或水域；某国的近海海疆；矿泉水，矿泉浴；羊水；不明朗（或未知的、困难、危险等）局面
“water”就是可数的，加“s”变为“waters”
the grey waters of the River Clyde
克莱德河灰蒙蒙的河水
We were still in British waters.
我们仍在英国的领海上。
This species is found in coastal waters around the Indian Ocean.
在环印度洋沿岸的海域有这一物种。
the waters of Nile尼罗河的水
Thames waters泰晤士河水
They locate and chart every iceberg in the waters.
他们测定海洋中每一座冰山的位置，并绘成图表。
The ship was in British waters.那艘船位于英国水域。
We were still in British waters.
我们仍在英国的领海上。
fishing in international waters
在国际海域捕鱼
This is where the waters of the Amazon flow out into the sea. 这是亚马逊河的水流入大海的地方。
The ship will remain outside Chinese territorial waters.
这艘船将继续呆在中国领海之外。
类似的名词还有sand等。
the sands of the Sahara 撒哈拉大沙漠
不明朗（或未知的、困难、危险等）局面（其实和我们汉语里的水深火热、改革已经进入深水区等是一个理）
used to describe a situation, usually one that is difficult, dangerous or not familiar.
The conversation got into the murky waters of jealousy and relationships.
交谈进入到爱妒交织的复杂话题。
The government has warned of stormy waters ahead.
政府已告诫说，以后的局势将很严峻。
the man brought in to guide him through troubled waters...
被请来帮助他渡过难关的人
The company has already been in hot water over high prices this year.
这家公司今年由于价格过高已经陷入困境。
The British Government may be in stormy economic waters.
英国政府可能陷入了动荡的经济困境中。
You certainly seem to be in deep water
你看起来无疑是陷入了困境。
The company has already been in hot water over high prices this year.
这家公司今年由于价格过高已经陷入困境。
I could tell that we were getting off the subject and into deep water.
我觉得我们在跑题并已陷入尴尬境地。
羊水，可数名词
My waters broke at six in the morning and within four hours Jamie was born.
我是凌晨6点破水的，不到4个小时杰米就出生了。
sb's waters break
羊水破（即将分娩）
另外，这个词还表示“行情，情况，内情、内幕”如：
test the waters
摸清底细
You should be cautious when getting involved and test the water before committing yourself.
参与其中时一定要小心谨慎，表态之前最好试探一下。
3.动词water
给……浇水，在……掺水，给……喂水；给……提供水源；流下泪（口）水
浇水，掺水稀释，缓和（说话、文章等的）语气；使变得轻描淡写；给……喝水，饮；
water the plants/garden给花草 / 花园浇水
water the horses饮马
After a tour of the grounds, the guests were fed and watered.
客人们游览场地之后，给招待得酒足饭饱。
The smells from the kitchen made our mouths water.
厨房里的香味馋得我们直流口水。
The smoke made my eyes water.
烟熏得我直流眼泪。
watered wine
掺了水的葡萄酒
His eyes watered from cigarette smoke.
他的眼睛被香烟熏得直流泪。
cookies to make your mouth water.
令人垂涎的饼干
water down
加水稀释；掺水冲淡 ；使（提议、言论、声明等）语气缓和；使打折扣；削弱
not hold water（论证、借口、理论等）站不住脚，不合情理
This argument simply cannot hold water in Europe.
这个论点在欧洲根本就站不住脚。
Don't forget to water the plants.别忘了给植物浇水。
Please water the plants while I'm away.
我不在时请给植物浇水。
The rain watered the garden.雨水浇湿了花园。
4.重要短语和习语
pass/make water小便，排尿
toilet water厕所水；淡香水（廉价）；花露水
perfume/fragrance香水
by water 乘船；由水路
it's (all) water under the bridge
已成往事；往事云烟
He was relieved his time in jail was over and regarded it as water under the bridge.
他为服刑期满而感到如释重负，而且觉得既已无可更改，过去的就让它过去吧。
pour cold water on
对…泼冷水,使沮丧,挫伤…的积极性
throw cold water on泼冷水
City economists pour cold water on the idea that the economic recovery has begun.
伦敦金融城的经济学家给经济开始复苏的说法泼了冷水。
(like) water off a duck's back（像）耳边风；水过鸭背
I can't tell my son what to do; it's water off a duck's back with him.
我无法告诉我儿子该做什么，他根本听不进去。
pass water 小便；小解；解小手
be in/get into hot water
有麻烦；惹上麻烦
tread water踩水（摆动四肢使身体在深水中保持直立）；裹足不前；徘徊观望
a fish out of water
离水之鱼；在陌生环境不得其所的人
(take to sth) like a duck to water
像鸭子入水般容易，轻而易举，毫不困难，毫无畏惧（习惯于某事）
She has taken to teaching like a duck to water.
她教起书来驾轻就熟。
keep your head above water
勉强逃脱困境；设法不举债；挣扎求存
dead in the water
（人或计划）失败，无成功希望
His leadership campaign is dead in the water.
他参加领导层竞选无望成功。
blow sb/sth out of the water彻底摧毁；毁灭；（以更加优异者）表明…不好，显得…差得多；(绝对性地)击溃对手，完全制服对手，把某人打的片甲不留，落花流水;使……望尘莫及；战胜，击垮……
A DVD music system plays discs that look like CDs, but blows them out of the water.
DVD音乐播放机里放的碟片看似CD，却要比CD强多了。
固定表达blow sb. out of the water起源于19世纪的海军，最初的意思是，将敌方的军舰打成碎片。
Aren’t you afraid of being blown out of the water?你们不怕被打得落花流水吗？
The virus blew my computer’s hard drive completely out of the water. 病毒将我电脑的硬盘完全摧毁了。
They came to court with fresh evidence that would, they said, blow the prosecution's case completely out of the water.
他们出庭时带来了新的证据，他们说这些可以彻底推翻原告的指控。