Solving this dilemma can be a tough and thankless job; but it's also one of the most important.

解决这个矛盾是个费力不讨好的苦差事；但它非常重要。

youdao

I shall be only too grateful to them for taking a very difficult and thankless job off my hands.

我要十分感激他们，把那个劳而无功的工作从我的手里拿过去。

youdao

The judging systems in music competitions are notoriously unfair, and judging is a difficult and thankless job.

音乐比赛中不公平的裁判制度已是恶名昭著，而裁判也是一项吃力不讨好的工作。

youdao

They're too important simply to have been read once: Alas! What boots it with uncessant care To tend the homely slighted Shepherd's trade, And strictly meditate the thankless Muse?

它们太重要了，不能只读一遍：,哎！，这有何意义,整日做着简单无趣的牧羊人的营生，缪斯如此无情还要对其冥思苦想？

耶鲁公开课 - 弥尔顿课程节选

Writing about TV may be a lonely and thankless endeavor, but this part is pretty good.

FORBES: Magazine Article

Peeling away the layers of misunderstanding about them is a difficult and thankless task.

FORBES: Anatomy of (Yet Another) Hedge Fund Fraud (June 1, 2001)

Umpiring can be a tough and thankless job.

FORBES: Instant Replay Could Have Saved Jerry Meals And The Pirates