They are hard to understand, so you don't want to be misunderstood.
Real people use idioms and slang, so writers use them to make their characters more believable.
Idioms are common in informal context, but they are found in all registers of English usage.
You avoid it by learning the proper words and phrases used in the language. The more educated you become, the less likely you will be to use slang in a formal setting.
English "To The above answer... I'm not so sure about that... A few examples of languages other than English that use idioms, below: German, Mandarin (even the characters used in the language are used idiomatically to refer to general concepts), French, Spanish, Hindi, Portuguese, Russian, and Japanese. But the question is of the percentage of idioms within a language. Yes, I know that English is a widely spoken language and does its share of idioms, but this doesn't necessarily mean that it has the larger percentage of idioms within the given tongue than another language...." Chado2423
You betcha!In informal situations, slang is fine. In a more formal situation such as a job interview or a meeting with the future in-laws, you probably want to avoid most slang.
Yes, every language has slang and idioms.
When the English language developed. People have always used idioms and slang in their speech.
Wherever people lived -- people have always used idioms and slang.
It is generally best to avoid using idioms in formal essays as they can be seen as too casual or informal. It is more appropriate to use formal language and clear, concise expressions to convey your message effectively in an academic or formal setting.
Colloquial refers to language or speech that is informal, conversational, and specific to a particular region or group of people. It often includes slang, idioms, and expressions that may not be used in formal writing or official contexts.
A formal language is a precise and well-defined system of symbols and rules used to represent and manipulate information. It is typically used in areas such as mathematics, computer science, and linguistics. Examples of formal languages include programming languages, mathematical notation, and formal grammars.
Real people use idioms and slang, so writers use them to make their characters more believable.
Formal language is used so people can trust in the speaker. If someone used slang they would be viewed as less intelligent and less reliable. People even change their accent to seem more trustworthy.
Slang is a type of language that consists of informal words and expressions that are not considered standard in formal speech or writing. It is used to create a sense of familiarity or to convey a specific social identity or group affiliation.
You avoid it by learning the proper words and phrases used in the language. The more educated you become, the less likely you will be to use slang in a formal setting.
Idioms are common in informal context, but they are found in all registers of English usage.
You will have to answer this question yourself. Every environment has its own idioms and slang terms, and we don't know what part of the world you live in.