1.hot的基本意思是“热的,烫的”,可用于指事物、天气或人。引申可表示“辣的”,指问题或事件可译为“棘手的,争议大的”,指气氛或氛围可译为“激烈的,热烈的”,指人的脾气可译为“暴躁的”,指新闻、书刊等可译为“刚做好的,最新的,热门的”。
2.hot在句中可用作定语、表语或宾语补足语。用作表语时,常与介词on连用。
3.hot的比较级是hotter,最高级是hottest。

blue hot and cold
摇摆不定 be changeable in one's opinion
She blew hot and cold about going to college; every day she changed her mind.她对上大学犹豫不决,每天都改变主意。

hot and bothered
发愁,着急; 不高兴 worried by a feeling that things are going wrong
It's a small matter; don't get so hot and bothered.这是件小事,不必发愁。

hot on sb's heels〔tracks, trail〕 (of)
紧紧跟踪,紧追 chasing and ready to catch sb
The police were hot on the heels of the bandits.警察紧跟着盗匪。

make it hot for
刁难某人 drive sb away by unpleasant behaviour or by causing difficulties
▲make it hot for sb
Ever since their argument the master has been making it hot for the young teacher.自他们发生争执起,校长老是刁难这位年轻教师。
▲make it hot for sb to-v
You are making it too hot for me to stay here.你在逼我离开这儿。
His opponents soon made it too hot for him to hold the job.他的反对者很快就使他无法再干下去。

用作定语
▲～+n.
A blast of hot air blows in.一股热空气吹进来。
There is hot wind from a desert.有一阵沙漠热风。
The hot gas is used to produce steam which will drive electricity generators.热气用来产生驱动发电机的蒸汽。
His hot pancakes are delicious, you buy them straight from the kitchen to eat in your hands.他卖的热煎饼味道真好,你直接从厨房里买来用手拿着吃。
It was bitterly cold walking home tonight but the thought of a hot drink in the house spurred me on.今晚步行回家非常寒冷,但是想到能在家里喝上一杯热饮我就来劲了。
Washing wool in hot water will shrink it.在热水中洗毛线会使羊毛收缩。
Take care not to take up the hot coals with your bare hands.小心别光着手去拿烫煤。
All I want is a hot bath.我所需要的就是洗个热水澡。
Thick woollen clothes are not appropriate for a hot summer day.厚的毛衣不适于炎热的夏天穿。
The dry undergrowth was almost set alight by the hot sun.干燥的林下植物几乎要被炎热的太阳点燃了。
I am not keen on a hot place.我不喜欢炎热的地方。
He is now accustomed to the hot weather.他现在习惯了炎热的天气。
It was too hot a day that we decided to go to the sea.太热了,我们决定去游泳。
This is a hot city.这是一座充满活力的城市。
Hot words were exchanged between the two men.两人之间激烈争吵起来。
He is a person of hot temper.他是个脾气很大的人。
I like reading hot news.我喜欢读热点新闻。
We are assured that our goods will sell like hot cakes.我们确信我们的货物会畅销。
He got himself into a lot of hot water.他使自己陷入了麻烦。
用作表语
▲S+be+～
How hot is the water?水有多热?
The weather has been very hot.天气一直很热。
It is certainly hot today, but still it might be hotter.今天确实很热,不过可能还要热呢。
It's hot like in midsummer.热得像在三伏天一样。
Even the coolest star is unimaginably hot by human standards.即使是最冷的星体,用人类标准衡量起来,也是热得不可想象的。
Awfully hot, isn't it?非常热,是不是?
They were hot, dirty, and exhausted.他们又脏又热,疲惫不堪。
That fire is hot.那火正旺。
Pepper and mustard are hot.辣椒和芥末是辣的。
The argument became hot.争论变得激烈起来。
Finish writing that story while you're still hot.趁着你正起劲,把那篇故事写完。
Why is Madonna so hot in America?麦当娜为何在美国这样走红?
His plan to raise the money in a hurry wasn't so hot.他的紧急筹款办法并不怎么高明。
He didn't flunk out, but his record isn't so hot.他没有不及格,但成绩很一般。
▲S+be+～+prep.-phrase
The boys are hot after the treasure.孩子们急切地要寻到财宝。
He came in rather hot about it.他进来时对此颇不满意。
He is hot at history.他历史很好。
You're hot from all that exercise.你是因为刚锻炼下来而觉得热。
The cards are hot for me tonight.今晚我的牌运很好。
He was hot on anyone who made the slightest mistake.谁出了小错,他都严厉地对待。
They are hot on gambling.他们热衷于赌博。
I was hot on playing basketball when I was in college.我上大学时热衷于篮球运动。
▲S+be+～+to-v
The food is too hot to eat.食物太热,没法吃。
The weather is hot enough to kill off even the mosquitoes.天气热得使蚊子绝迹。
▲S+be+～+that-clause
 It was so hot that we had to have the electric fan on all day long.天太热,我们不得不全天开着电扇。
▲S+V+O+～
The roast duck has to be eating piping hot.烤鸭要趁热吃。
用作宾语补足语
▲S+V+O+～
That long run has made me hot.那次长跑使我浑身发热。

hot, warm
这两个词都有“热”“暖”的意思,其差别是:warm指不太高的温度,语气比hot弱,强调“暖”; hot则指很高的温度,强调“热”。例如:
The weather is getting warmer and warmer.天气渐渐暖和起来了。

1.在美国口语里常用hot in来代替hot on作“热衷于,精通”解。例如:
She is hot in math.她精通数学。
2.hot偶尔也可用作及物动词,意思是“使…热”“把…加热”。例如:
I can hot the hamburger up in a minute.我马上就把汉堡包热好。

［同义词］   blazing, boiling, broiling, burning, fiery, frying, roasting, scorching, searing, sizzling; biting, sharp, spicy; ardent, intense, passionate, violent
［反义词］   chilly, cold, cool, freezing; bland, tasteless
［词源］  ＜古英语hat(热)