闯难关

I hope you will unite and work together to tide over the difficulties. I believe that we will overcome the immediate predicament, break out of a new world of our own.

When David first began to learn Chinese, it was difficult to read and write, and with the help of his teacher's patience, he broke through the difficulty of writing Chinese characters in less than half a year.

As a result of the doctor's careful treatment, the original life-threatening patient, finally through one after another difficulties, from the brink of death back.