当他意识到自己的错误时，感到非常羞愧。

His ___realization of the mistake made him feel deeply ashamed.

经过多年努力，她终于实现了成为医生的梦想。

After years of effort, she finally achieved the ___fulfillment of her dream to become a doctor.

公司通过出售闲置资产获得了大量现金。

The ___realization of unused assets brought the company a large sum of cash.