最难得的是他们居然可以通宵保持满面红光。

Rare is they incredibly can all night keep all over the face red light.

youdao

最难得的是友情；

The most rare is the friendship;

youdao

最难得的是，这一年多来，我认识了很多有才华而勤奋的老师和同学。

But what I treasure most are the teachers and classmates I have known here over the past year. They are all well talented and hardworking.

youdao