hard-won

adj.

难得的，来之不易的；

1. Such a universal genius is hard to come by.
   这样的全才是很难得的。
2. The parental love is great and precious, but spoiling and protecting children incorrectly can become worries and hard to deal with.
   亲情是伟大与难得的，但宠爱与包庇便会变成一种难缠烦恼。

Eradicating invasive plants: hard-won lessons for islands.
Hard-Won Lessons in Program Evaluation.
Infectious diseases. Hard-won advances spark excitement about hepatitis C
From experience: Capturing hard‐won NPD lessons in checklists
Hard-Won Advances Spark Excitement About Hepatitis C
Transnational Party Alliances : Analysing the Hard-Won Alliance between Conservatives and Christian Democrats in the European Parlia...
Biotech comes to its 'antisenses' after hard-won drug approval
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China. Stigma of HIV imperils hard-won strides in saving lives.
3. Hard-won Progress in Protecting Environmental Rights