1.green的基本意思是“绿色”,是一种代表生命的颜色,还可指“绿色的衣服”“绿色蔬菜”或一片长满草的区域,即“草地,绿地”。green还可指“高尔夫球场上的球穴区”。
2.green通常用作不可数名词,当作“绿色蔬菜”解时用作可数名词,常用复数形式。

in the green
年轻力壮 very young
He is in the green and he can do the work well.他年富力强,可以把工作做好。
People in the green will be sent to be in charge of the project.年轻力壮的人会被派去负责这项工程。

Our eyes were filled with the rich green.我们眼前是一片碧绿的景色。
The distant mountain sides changed from a dark purple to a dull green.远方山坡上的颜色由深紫变成了暗绿。
The room was decorated in bright greens and blues.这房间是用明亮的绿色和蓝色装饰的。
She was dressed in green.她身穿绿色衣服。
Do you know the girl in green?你认识那个穿绿衣服的姑娘吗?
I've used up all my green.我已用完了我的绿色颜料。
The car in front of me stalled and I missed the green.我前面的车抛锚了,使我错过绿灯。
She washed the salad greens and mixed them with the dressing.她洗净了做沙拉的绿色蔬菜,并用沙拉调料拌匀。
The salad greens, prepared an hour ago, had retained their crispness.一个钟头前做好的凉拌蔬菜仍然鲜嫩可口。
The human body needs several vitamins from greens.人体需要从蔬菜中获得多种维生素。
The boy doesn't like eating the greens.这个男孩不喜欢这些蔬菜。
The cattle were grazing on the village green.牛在村里的草地上吃草。
The village houses were built around the green.草地周围建起了许多农舍。
The town's stores were built around the green.镇上的商店建造在公用草坪的四周。
The children used to play on the green.孩子们以前常在草坪上玩。
Ahead of us the green seemed like an ocean.我们前方的草地宛如一片海洋。
The golfer got to the green in one stroke.这个高尔夫球手一下子把球打到了球穴区。

下面两个短语意思不同:
in green
身穿绿色衣装
in the green
在青春时期

1.green用作形容词时的意思是“绿色的,青色的”,指事物呈现出绿色的状态。也可用来指某物还“没有成熟”,或人由于年轻而没有社会经验,即“未成熟的,无经验的,易受愚弄的”; 有时也可指某物是“未干的,潮的”。green引申可指“精力旺盛,充满青春活力”。
2.green在表示“在…方面是新手”时,常与介词at搭配。

give the green light
开绿灯,批准 agree
▲give sb the green light
We are ready to build a great bridge over the river. We are just waiting for the municipal government to give us the green light.我们已做好了在河上建一座大桥的准备,现在正等待市政府的批准。
▲give sb the green light to-v
Mother gave us the green light to go on the camping trip.母亲准许我们野营旅行。

green about the gills
吓得脸色发白 the face lost colour because of fear
When he saw a black shadow in the moon light, he was green about the gills.他在月光下看到一个黑影,吓得脸色发白。

green with envy
心中充满妒忌 full of envy in sb's mind
I'm green with envy when I go to Bristol and see their facilities.我去布里斯托尔见到他们的设施,真羡慕极了。
Alice's girl friends were green with envy when they saw her new dress.爱丽丝的女友们看到她的新衣服很妒忌。

用作定语
▲～+n.
In front of the hill are green fields.山前是一片绿油油的田地。
A green salad has only green vegetables, such as lettuce and cucumber.所谓绿色沙拉指的是只有绿色的蔬菜,如莴苣和黄瓜等凉拌生菜。
She wore a light green skirt.她穿着一件浅绿色的裙子。
She likes to eat green apples.她喜欢吃青苹果。
Green fruit is not good to eat.未熟的水果不好吃。
Green wood does not burn well.未干燥的木柴不易燃烧。
He is still a green hand in teaching.他在教学上还是一个新手。
用作表语
▲S+be+～
The pine trees are green all the year round.松树四季常青。
Our new car is green.我们的新车是绿色的。
When the traffic lights turn green you can go.交通讯号灯转为绿色时你就可以通行。
She turned green when she smoked her first cigarette.她第一次抽烟时脸色发青。
Wood which is green is not dry enough to burn.发青的木柴没有干透,不好烧。
▲S+be+～+prep.-phrase
The countryside is very green in spring.春季的乡间一片葱茏翠绿。
The passengers turned quite green with seasickness.旅客们由于晕船而脸色发青。
With his white head and his loneliness he remained young and green at heart.虽然他满头白发,孤单寂寞,但是他的心仍然一片童真,显得年轻。
The football team is green for a match.这个足球队没有比赛的经验。
The scientist remains forever green like the pine trees.那位科学家像青松一样永远年轻。
Young people are green for everything.年轻人干什么都充满活力。
▲S+be+～+to-v
He must be green to believe that.他竟然相信那事,一定是太幼稚了。
She wasn't so green to expect suspicious characters to look suspicious.她没有幼稚到以为可疑分子看上去就是一副可疑相。
用作宾语补足语
▲S+V+O+～
We paint the door green.我们把门漆成绿色。

下面两者意思不同:
green house
绿色的房子
greenhouse
温室,暖房

［词源］  ＜中古英语grene(绿)