他的成功是转瞬即逝的。

His success was fleet.

美好的时光总是转瞬即逝。

Good times are always fleet.

我们必须珍惜转瞬即逝的机会。

We must cherish the fleet opportunities.

生活中的美好时刻总是转瞬即逝。

The beautiful moments in life are always fleet.

青春是转瞬即逝的。

Youth is fleet.

但是，它也转瞬即逝。

But it was also fleeting.

一切现存事物的转瞬即逝

The fleeting evanescence of all things

我意识到，成功转瞬即逝。

I realize that success is fleeting.

人们说夏日的爱情转瞬即逝。

They say summer love is fleeting.

在这寒冷的冬季，一年又转瞬即逝。

In this cold winter, One year will fleeting again.