What is the song about desperately trying to live like the person that others expect?

The song "Struggle in Ordinary Days" was written, composed and sung by Zeng Doudou. Complete lyrics:

I have seen people with gray faces

Smiling and saying how beautiful life is

I have also seen people who are successful and famous

who always smell of alcohol

I have seen people who don’t go home late at night

I always look forward to how beautiful tomorrow will be

I have also seen people who look good

Wiping tears secretly

I know

People who live seriously

always have different tastes

Also know

The adult world

will collapse in an instant

We are all in ordinary days

Struggling desperately

Desperately trying to live like the person others expect

Even if we are all at home

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Even if it’s windy or rainy

I have to smile and say I’m okay

We hide in a deserted corner

Licking our scars

Desperately not wanting to shed tears

Even if the scars are all over my body

Even if I lose my armor

I don’t want others to see me jokes

I have seen people who shuttle through life

Never distinguish between night and day

I have also seen people who have no worries about food and clothing

Always worried and full of sorrow

I know

People who live seriously

Always have various tastes

Also know

The adult world

will collapse in an instant

We are all struggling in ordinary days

Desperately want to live to be the person that others expect

Even if you are at home all over the world

Even if the wind and rain hit you

I still have to smile and say I am okay

p>

We hide in a deserted corner

Licking scars

Desperately not letting tears fall

Even if we are covered in scars

p>

Even if I lose my armor

I don’t want others to see my joke