尽管大学没考上，他也毫不气馁。

He failed in being admitted to a university. Even then he was not downhearted.

《新英汉大辞典》

他很慢，很有耐心，即使一再遭到失败挫折也绝不气馁。

But, Mcdull is slow and patient, and not afraid of repeated failures.

youdao

他很慢，很有耐心，即使一再遭到失败挫折也绝不气馁。

But, Mcdull is slow and patient, and not afraid of repeated failures.

youdao