First try to do something that is within your scope.

你先试着做一件自己力所能及的事。

《牛津词典》

"A white elephant" means something that is useless, although it may cost a lot of money.

“白象”指的是无用却很昂贵的东西。

youdao

I feel that I've been given a second life to devote to something that is meaningful and enormous.

我觉得自己被赋予了第二次生命，将其投入到有意义和巨大的事业中去。

youdao

"I'm at home,digging in the dirt, or doing something that is very close to the Earth, because that's where I know how to survive."

VOA: special.2009.06.07

A supplement, he points out, is something that either completes something that isn't complete or adds to something that already is complete.

他指出，一个补充物，或者是补充了不完整的事物,或者补充了已经完整的事物。

耶鲁公开课 - 文学理论导论课程节选

and in some cases, even an explicit right to death is also something that is spelled out in many legal codes.

在有些情形下，许多法律法规中也明确记录了要求死亡的权力。

对于安乐死的看法 - SpeakingMax英语口语达人

And he does have Democratic co-sponsors, something that is critical given the composition of the Senate.

FORBES: Sen. Corker's Plan To Reduce The Fiscal Burden Of Government

By contrast, a spire is something that is part of the building's architectural design.

WSJ: Spire permanently installed on WTC tower

How do you recognize something that is not in the known vocabulary of your emotions?

NEWYORKER: A Beneficiary