经历的很多困难后，他们在地道里走了大半程。

With great difficulty, they walk through the tunnels more than halfway to their destination.

youdao

虽然这个经历十分困难，但是我学到了很多。

And, as difficult as that experience has been, I got a lot of lessons.

youdao

虽然这个经历十分困难，但是我学到了很多。

And, as difficult as that experience has been, I got a lot of lessons.

youdao