Guess what are the four yellow smiling faces in the idiom?

Guess the idiom with four yellow smiling faces. My answer is "smile".

This idiom means to describe people smiling because they are happy. Four yellow smiling faces just express this meaning, so I think the answer is "smile".

In modern society, the pressure is increasing, and people's mood is becoming more and more unstable. Many people will feel tired, depressed and even depressed because of various reasons such as life, work and study. At this time, we need to learn to "smile" and use it to ease our emotions and make ourselves more positive. At the same time, smiling can also infect people around them and make them feel warm and happy.

The practical solution and countermeasure is that when we encounter setbacks and difficulties, we can alleviate negative emotions through self-adjustment and positive attitude. We can solve the problem by communicating with family and friends or seeking professional psychological counseling. At the same time, we can also relax ourselves and relieve stress through sports, music and reading.

In short, "smile" is a positive attitude and emotional expression, which can make us more optimistic, confident and sunny. In life, we should always keep smiling, face the challenges of life with a smile, and make ourselves and the people around us feel happy and happy.