These stories may be funny, but they remind me that old age and death are coming near. There is not much time left, so as the VM taught, don't let it pass by in vain.

这些故事可能很滑稽，可是这些故事也告诉我们，老年跟死亡会来得很快，就像上人告诉我们，不要让此生白白地过去。

youdao

The soldiers say you would look in vain, they are not so good even in the towns.

那些大兵说，你去找找看，甚至城里都不如这儿。

youdao

They shall not Labour in vain, nor bring forth for trouble; for they are the seed of the blessed of the LORD, and their offspring with them.

他们必不徒然劳碌，他们生孩子不再受惊吓，因为他们都是蒙耶和华赐福的后裔，他们的子孙也跟他们一样。

youdao

They are not fighting in vain.

BBC: NEWS | UK | UK Politics | In full: Tony Blair's speech

Still, those at the Fed are nothing if not hubristic, and they'll surely try in vain to be ahead of collapsing markets despite their inability to predict them in the past.

FORBES: Magazine Article

Discouraged workers are those who are not currently looking for a job because they feel their search would be in vain.

FORBES: The Crisis of America's Uncounted Unemployed