I have learned to defend myself against what is hard; without knowing it, I have also learned to defend myself against what is soft and what should be easy.
(在其他地方)我学会了克服困难；(而在这里)不知不觉中,我也学会了抵抗温柔和轻松带来的情绪冲击.
例如,有时候看到令人怜悯的事物就会泪涌,这就属于对[what is soft and what should be easy]的抵抗不足.