You must let go of the idea that to be single is to be unhappy and unfulfilled.

你必须放弃单身就不快乐不满足的想法。

《柯林斯英汉双解大词典》

Therefore, there emerge fake products, cheating services and unfulfilled promises.

因此就出现了诸如假冒产品、欺诈服务、无法兑现的诺言等。

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I was dying inside and living such an incomplete and unfulfilled life because of it.

我的内心死了，因此我的生活是那么的不完整，那么的空虚。

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He becomes distracted by an inward fire that draws him into the woods where he wanders and sings, full of unfulfilled desire.

他被内心的热灼分了心,被吸引到林深处，在哪里他,游荡歌唱，怀着种种无法实现的愿望。

耶鲁公开课 - 现代诗歌课程节选

Feeling complacent and unfulfilled, Scott-Young left Violator and started her own film production company, Monami Entertainment.

WSJ: Scott-Young's 'Love & Hip-Hop' overcomes backlash

No wonder people are so dissatisfied and unfulfilled in their work.

FORBES: Study Reveals the Workforce Is Not Innovative Enough

Without effective strategies to deliver on the promises that led to expectations, speeches leave a trail of broken promises and unfulfilled hopes.

FORBES: Mr. President: Speeches Are Not Plans -- or Strategies