2025年专升本英语易混词汇总结
but & while & however & though
but 着重强调前后意思转折，并且转折的语气最为强烈。
如:
I really want to go shopping with you, but I do have no money.
我是真的很想和你一起购物，但是我身上确实没钱啊。
while 着重强调前后两者对比。
如:
Tom is reading while Jim is playing football.
当吉姆在玩足球的时候，汤姆正在读书。
I am doing homework while you are sleeping.
当你在睡觉的时候，我正在做家庭作业。
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however adv.一般放在两句之间，表示意思的转折，常作插入语，并用逗号与句子隔开。意思是“然而，不过”。
如:
We thought the figures were correct. However, we have discovered some errors.
我们原以为这些数据正确。不过我们已经发现了一些错误。
though adv.位于句末或句中(位于句末时常用逗号隔开);conj.引导让步状语从句。如:
I've a bit of cold. It's nothing serious, though.
我有点儿感冒，不过并不严重。
Though he was ill, he went to school.
虽然他病了，他还是去上学了。
catch up with & keep up with
catch up with 意思为“赶上(某人或某事)”，有追上并可能超过的含义。如:
She studies hard in order to catch up with her classmates.
为了赶上她的同学，她努力学习。
We'll do our best to catch up with the advanced industrial countries.
我们将尽力赶上先进的工业国家。
keep up with 意思为“不落后于(某人或某对手)”，有与之并驾齐驱的含义。如:
The girls had to run to keep up with the boys.
这些女孩子不得不加快脚步以跟得上男孩子们。
Young girls like to keep up with the latest fashions.
年轻的女孩子们喜欢赶时髦。
certain & sure
certain 当句中用了形式主语或形式宾语it或表示“某一”“某些”时只能用certain。
如:
I thought it certain that he would be late.
我想他肯定会迟到。
It's certain that prices will go up.
价格肯定会上涨。
A certain Mr.Green wants to see you.
有个叫格林先生的人想见你。
Certain plants are good to eat but others are not.
有些植物好吃，而其他一些则不好吃。
sure be sure(not)to do sth.意思为“一定要或不要做某事”，这类祈使句中通常不用certain。如:
Be sure to get there before nine.
务必在九点前到达。
Be sure to turn off the light when you leave.
离开时一定要关灯。
clothes & clothing & dress
clothes 复数名词，其前不可加不定冠词和数词，但可用some, these, those, many, few等词修饰。
如:
I changed my clothes.
我换了衣服。
He is washing his clothes.
他在洗衣服。
clothing 衣物的总称，是不可数名词，其含义比较抽象，尤指某种类型的服装。
如:
an item/article of clothing一件衣服
Our clothing protects us against the cold.
我们的衣服可以御寒。
We are well provided with food and clothing.
我们吃得好，穿得好。
dress 用作可数名词，主要指妇女穿的连衣裙或上下连身的女装，也可指小孩穿的衣服;用作不可数名词，表示“衣服”的总称(不论男女)。
如:
She makes all her own dresses.
她的连衣裙都是自己做的。
She was wearing a beautiful dress.
她当时穿着一身漂亮的连衣裙。
He doesn't care much about dress.
他不太注意衣着。
在现代英语中，dress作不可数名词的用法已不常见。它主要用来指某些特殊种类的衣服(如礼服等)。
如:
evening dress 晚礼服
national dress 民族服装
casual/formal dress 便装/礼服
