“替自己辩解”可以用英语表达为 "defend oneself" 或 "justify oneself"。
"defend oneself" 强调为自己进行辩护或保护自己免受指责。
"justify oneself" 侧重于解释或证明自己的行为、决定是合理的。
例句：He tried to defend himself against the accusations. （他试图为自己辩解，反驳那些指责。）
She felt the need to justify herself after making such a big decision. （在做出这么大的决定后，她觉得有必要为自己辩解。）