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

但多年来，它在你父亲生锈腐烂。

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讽刺文章所假设任何事情都更糟糕最接近事例，他就痛不欲生。