Both 'quạo' and 'quạu' are commonly heard and used in daily communication. So, which spelling is correct? Let's delve into it below.

1. The meaning of 'quạu' and how to use it correctly
Quạu is known as a word widely used in the southern region of our country, while it's less prevalent in the central and northern regions. This is the main reason why many people in those areas may not understand what 'quạu' means.
According to the current Vietnamese dictionary, the word 'quạu' is used to describe feelings of irritation, anger, or annoyance due to something unpleasant. In English, 'quạu' is written as 'angry'. The usage of the word 'quạu' is simply to describe human emotions.

Common phrases often used with the word 'quạu' by young people include: 'Stay cheerful, don't get angry', 'really angry', 'oh, angry', 'so angry', etc.
Some words with similar meanings to 'quạu' include:
- Grumpy: commonly used to describe the frowning face when someone is angry and difficult.
- Irritated: a word often used to describe someone's grumpy, angry attitude.
- Sulky: This word is often used to indicate someone's sullen, snappy attitude.
2. Quạo or quạu: Which is the correct spelling?
According to the current Vietnamese dictionary, only the word 'quạu' appears, and there is no 'quạo'. Therefore, 'quạu' is the correct spelling.
However, due to their similar pronunciation, many users have not paid attention to the correctness of the word. Consequently, 'quạo' is still widely used, even more so than the original word 'quạu'.

If you search for the keywords 'quạu' and 'quạo' on Google, 'quạo' is the more commonly used word.
3. Reasons Why People Get Angry
There are many reasons why a person might get angry. A normal person can get angry for various reasons and influences, especially when things don't go as planned. Here are some common causes of anger:
- Being teased or insulted excessively by others.
- Being treated unfairly, putting in a lot of effort but not getting worthy results.
- Facing difficulties without resolution, constantly feeling anxious. When asked, they get angry.
- Getting angry due to the illogical behavior, mistakes of others, especially in traffic situations.
- Coming across images or videos on social media that they don't like.
- Some even get angry out of envy towards others' success, feeling stuck in their own situation.
This article has provided answers to your questions about 'Quạo' or 'Quạu'? Which Vietnamese spelling is correct? Have a great day!