流行は古くなって消えていく。の英語

Fashions grow old and die.

Fashions change quickly.

The fashion will soon lose favor.

Fashions go out.

Fashions are always in a state of flux.

Fashions change quickly.

Most styles in fashion have only short currency.

They are out of fashion―old-fashioned―now.

That is really popular at the moment.

I gave up keeping up with trends.

a revival of things that used to be popular before; revival boom

I gave up keeping up with trends.

Don't follow the fashion.

Don't follow fashion.

Old traditions are crumbling away.

That's not particularly popular these days.

the ultimate in fashion

It's already out of fashion.

To incorporate the latest trends.

To incorporate the newest fashions.

no longer fashionable

I don't know much about fashion.

No, I can't understand the fashion because I don't watch TV.

no longer fashionable

fashionable

the vagaries of fashion

in a dowdy unfashionable manner

The things currently popular in Japan differ depending on the era.

That will help revive a fashion of the past.

It is very expensive to keep up with the latest fashions.