虽然这是不可克服的，这还是挑战。

This is a challenge, though not an insurmountable one.

youdao

虽然这确实是来自大众的一个国外新闻障碍，但这障碍不是不可克服的。

Although this does present an obstacle for accessing the news from foreign countries, the obstacle is not insurmountable.

youdao

这幅漫画的目的是告诉我们在看似不可克服的挑战与困境面前，最重要的是拥有自信。

The purpose of the drawing is to show us that in the face of seemingly insurmountable challenges or predicament, possessing self-confidence is of utmost significance.

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