He failed the exam, even though he studied hard.
虽然他学习很努力，他考试还是没及格。
Even though I have failed the exam again, I will not lose heart.
尽管我又考试不及格，我绝不会灰心丧气。
It was a worthwhile attempt even though it failed to achieve its aim.
这个尝试即使没有达到目的还是值得的。
It was a worthwhile attempt even though it failed to achieve its aim.
这个尝试即使没有达到目的还是值得的。
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