Don't expend all your time on such a useless job.

不要把时间~在这种无用的工作上。

youdao

Don't expend all your time on such a useless job.

不要把时间消耗在这种无用的工作上。

youdao

Don't expend all your energy on such a useless job.

不要把你的精力全花在这无益的工作上。

youdao

Just run hard, expend all your energy, and maybe you'll find it.

CNN: Parents, why are you pushing your kids?

But if the violence spreads on a large scale, the country can forget about democracy or repairing its economy: it will have to expend all its energies just to save lives.

CNN: COMMUNAL FACE-OFF

But all they asked us to do was to expend the energy necessary to open the envelopes containing our tax cuts.

CNN: Clinton: Time again to choose a more perfect union