1.heavy的基本意思是“重的”,通常指某物体很重,引申可指人在精神上感觉沉重,即“沉重的,沉闷的,忧郁的”,也可指天气“阴沉的”。引申还有“力量、数量或程度异常大的”“繁重的”“笨重的,笨拙的”“严厉的,无情的”“难消化的”等意思。
2.heavy在句中可用作定语、表语或宾语补足语。
3.heavy的比较级是heavier,最高级是heaviest。

heavy hand
高压手段,强硬措施 harsh or firm control or measure
He rules his class with a heavy hand.他用严厉的手段管理班级。
He runs his department with a heavy hand.他采取强硬措施管理所属部门。

heavy on
〈非正〉对…严厉 severe towards
He is a teacher who is heavy on his pupils.他是一个对学生很严的老师。

heavy with
充满 full of
The air is heavy with moisture.空气中充满了潮气。
It was so stuffy in the tent that we could sense the air was heavy with moisture.帐篷里很闷热,我们感到空气都是潮的。
I am still heavy with influenza but getting better.我的感冒仍然很厉害,但正在好转。
Mother's heart was heavy with worry for the safety of her son.母亲担心儿子的安全,心情很沉重。

用作定语
▲～+n.
It was hard walking on the slippery ice in our heavy boots.我们穿着笨重的皮靴在滑溜溜的冰上很难走。
He wondered if the floor could support the heavy piano.他担心地板是否承受得住那架沉重的钢琴。
Gold is a heavy metal.金是重金属。
We had a heavy rain last night.昨夜下了一场滂沱大雨。
A heavy frost lay over the road, roofs and trees.道路、房顶和树木上都结着厚厚一层霜。
She must have a heavy purse to have contributed such a large sum of money.她捐了这么一大笔款子,一定是个有钱人。
I was held up by the heavy traffic.我被拥挤的交通所延误了。
Industry is a heavy user of electric power.工业是用电量大的部门。
Sweet grass like a heavy green carpet grew along the edge of the river.沿着河边长满了芳草,像是铺着厚实的绿地毯一样。
Heavy lines on the map indicate main roads.地图上的粗线表示公路干线。
He has a pair of animated eyes under heavy eyebrows.他的浓眉下面长着一对炯炯有神的眼睛。
There came through the open door the heavy scent of the lilac.从敞开的房门飘来了紫丁香馥郁的香气。
Rescue crews walked three miles from the end of the road into the heavy brush to carry the critically wounded men to an ambulance.营救人员从公路的尽头走了3英里路,进入茂密的丛林去把重伤员抬上救护车。
Ade is a heavy smoker.艾德抽烟抽得多。
The aggressors suffered heavy casualties.侵略者遭到重大的伤亡。
He is laden with heavy responsibility.他肩负重任。
I got a heavy date for this afternoon.今天下午我有一个重要的约会。
He went to hospital because of heavy work.因工作繁重他住进了医院。
Moving that bed was heavy work.挪动那张床很费劲。
The report makes pretty heavy reading.这篇报告不好读。
I've had a heavy day.我今天干活可真够累的。
He went to meet her with a heavy heart.他怀着沉重的心情去见她。
I must confess that this is a heavy blow.我必须承认这是一个沉重的打击。
She wore a heavy look, because someone offended her.她的脸色阴沉沉的,因为有人冒犯了她。
It's a heavy day.今天是阴天。
Soon after the heavy meal the child had a pain in the stomach.孩子吃了一餐不易消化的东西以后,马上就觉得肚子痛。
用作表语
▲S+be+～
The box is too heavy.这个箱子太重了。
Aluminium looks heavy but actually it is very light.铝看起来很重,实际上却很轻。
The expenditure on new furniture is too heavy.购买新家具的花费太大了。
The taxes on personal property are getting heavier.个人财产税越来越重。
I went back to our front line, for firing was going heavy again.因为射击又逐渐猛烈起来,我便返回前线去了。
My timetable is very heavy this term.这学期我的课程很重。
My head is heavy.我的头昏沉沉的。
My heart is heavy as lead.我的心情像铅一样沉重。
The mood here is surprisingly heavy today.今天这儿的气氛出乎意料地沉闷。
The box is heavier than that one.这个箱子比那个重。
▲S+be+～+prep.-phrase
 The stone is not heavy for its size.这块石头从它的大小看来并不重。
At that time the odds were heavy against us.当时形势对我们非常不利。
That horse is heavy in hand.那匹马不好驾驭。
He was heavy on beer.他的啤酒喝得太多了。
The food is too heavy on my stomach.食物积存在我的胃中。
用作宾语补足语
▲S+V+O+～
 I found such books too heavy going.我觉得这样的书太难读下去。

heavy, weighty
这两个词的共同意思是“重的”。它们之间的区别是:
1.用于具体意义:heavy指的是相对的重,而weighty指的是绝对的重。例如:
The parcel is too heavy for me.那个包裹对我来说太重了。
There is a weighty parcel.那儿有一个沉甸甸的包裹。
2.用于引申义:heavy可指精神压力沉重,忍受不了; weighty指某事物是“有重大意义的”“有分量的”“很重要的”等。例如:
He made a weighty speech.他的发言很有分量。
He died for the people and his death is weightier than Mount Tai.他是为人民而死的,他的死重于泰山。

这袋子太重了,我扛不动。
［误］  The bag is heavy for me to carry.
［正］  The bag is too heavy for me to carry.
［析］  heavy作表语时只有在too修饰的情况下,其后才可接动词不定式。

［同义词］   burdensome, hefty, ponderous, weighty; abundant, copious, substantial, voluminous, grave, serious, boring, dismal, dull, gloomy, melancholy, oppressed, sad, tiresome
［反义词］   light, airy, buoyant, cheerful, happy
［词源］  ＜中古英语hevi(重)