Sometimes being a mother and a housewife felt like a thankless task.

做母亲和家庭主妇有时使人觉得好像是个受累不讨好的差使。

《牛津词典》

Football referees have a thankless task.

足球裁判的工作费力不讨好。

《柯林斯英汉双解大词典》

Why on earth should their beds be properly aired, seeing that they left them in such a thankless hurry?

既然他们是这样匆匆忙忙地走了，连吃力不讨好也不知道，为什么要帮他们把床铺晒干呢？

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At times, scouting can be a thankless profession that puts a terrible strain on family life since the demands of a ball club are so great to find the next big thing.

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In many respects this is a great credit to the selectors in charge and I can say without hesitation, that while the role of a selector can be a thankless task, the Australian selectors have generally shown faith in their players and followed a very consistent selection process.

BBC: Justin Langer column

In all fairness, to be an umpire today in Major League Baseball is a thankless job.

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