But it rusted and cankered at your father's heart for years.

年来，它在你父亲心中生锈腐烂。

It cankered his heart to think he was confronted by the closest instance of a worse state of things than any he had assumed in the pleasant social philosophy and satire of his essays.

一到他遇到了比他在愉快社会哲学和讽刺文章中所假何事情都更糟糕最接近事例，他心就痛不欲生。