What are the English key expressions and the 7 most important ones?

When we want to learn a new language we need to know its grammar and vocabulary. One of the things that is also important to learn is its expressions. Terminological, English key expressions are the words that help us to talk and write correctly grammatically. In English language, learning the English key expressions will help us to improve our English speaking skills.

English key expressions

As a result, it’s a worthy plan to learn some of these English key expressions. In other words, expressions mean showing how we feel and what we are thinking by using words or actions.

For example, for expressing surprise we say: “Really?”” What?” or “Oh my God.” In other cases, when we want to express joy we use the words like: “Wonderful” or “perfect.” We also express sadness with words like “not good,” “awful.”

Why you need to learn English key expressions

You’ll sound more like a native speaker when using correct English key expressions to express your thoughts and feelings. Therefore, you also get an insight into the culture of the people speaking the language you are learning.

In addition, learning expressions and sayings develops critical thinking skills, not just speaking and writing skills.

English key expressions types

English key expressions types
English key expressions types

English key expressions come in many forms and various types. For instance, some of them are collocations, others are common phrases, and also idioms or even phrasal verbs.

Generally, words have a better meaning when used together than when they are used separately. Expressions and different sayings often contain words that convey a certain meaning beyond the actual meaning of the words.

Idiomatic English key expressions are a group of English words that have a different meaning than the actual meaning of the words used in the expression. Here’s examples of idiomatic expression:

In addition, collocations are also a part of English key expressions. Collocations are phrases made up by two or more words that match a particular manner of expressing a thought or feeling. These English key expressions make it easier to put across some points easier and more comprehensive for the reader or the listener.  

For example, when we want to agree or decide to stop doing something we say “Call it a day” instead of using words like “quit” or “give up”.

How to learn English key Expressions?

Moreover, it is important to find a reliable source to learn different English key expressions. The best choice would be participating in an English class. You can sign for English online or in person classes where the instructor will teach various English key expressions as you go on.

However, if you wish to learn the English key expressions by yourself, there are a great deal of English key expressions in English books or newspapers. Also, most of the English key expression are used by native speakers in English movies or series.

Most important English key expressions

There are a lot of English expressions in the English language. Most of the English native speakers use expressions in their daily conversations. The most common and general Idioms in English are for example: Slang, Proverbs, Jargon, Prepositional verb and partial idiom.

Here is complete explanation about each of the expressions mentioned with examples.


Idioms are words or phrases that have diverse meaning that the literal meaning of the words. It means that the words that are used in idioms mean something different their original and separate meaning.

For example:

Call it a night: To stop what you have been doing in the evening or night, often in order to go to home
Hang in there: A way of telling someone to not give up, despite difficulties

• Slang

Slangs are a type of English key expressions that are words and phrases, but they’re informal. The slangs are mostly used in informal speaking.

For example:

Lit: When something is very good, enjoyable, or exciting, you can say it’s “lit”.

Salty: You can say someone is salty when they get upset or angry over something minor

• Phrasal Verbs

Phrasal verbs are also a part of English key expressions. Phrasal verbs are a group of words that are made of a verb and a preposition, an adverb, or both.

For example:

Break down: Fail, Collapse

Bring up: Raise, Mention

• Proverbs

Proverbs give advice or express the truth based on common sense or experience. Proverbs aren’t usually literal sayings; proverbs are mainly metaphorical and use figurative language to make a statement. 

For example:

Actions speak louder than words: what someone actually does means more than what they say they will do

A drowning man will clutch at a straw: someone who is desperate will try to use anything for help


We use jargon to refer to words and expressions that are used by a particular group of people. They are usually difficult for others to understand.

For example:

AWOL: Short for “absent without leave,” AWOL is military jargon.

• Prepositional verb

Prepositional verbs are made by the basic form verb + a preposition. They form a new verb with a distinct meaning.

For example:

Put off: to delay or move an activity to a later time

Turn down: reject something offered or proposed

• Partial idiom

Partial idioms are idioms which one of the words has its usual meaning; the other one has a meaning that is strange.

For example:

Change is as good as a holiday: changing your job or profession is also as beneficial as taking a break.

In conclusion, all of the English key expressions are really both useful and helpful for those who are learning English as their second language. Expressions are frequently used by English native speakers. By using these English key expressions in our speaking or writings, we will sound more proficient and fluent. In brief, its very vital to learn the English key expressions when learning English.


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