我们离开火车时，已经是一个截然不同的新家庭，在一瞬间，我们每个人都长大了。

We left that train as a new and different family. All of us were more grown up, somehow, in the blink of an eye.

youdao

曾经在一瞬间，我们都以为自己长大了。

Once in a moment, we all thought that he grew up.

youdao

曾经在某一瞬间，我们都以为长大了。

Once in a moment, we all thought that grew up.

youdao

曾经在某一瞬间，我们因为自己长大了。

Once we all felt we had already grown up;

youdao

曾经在某一瞬间，我们因为自己长大了。

Once we all felt we had already grown up;

youdao