英语语法分析

I can discard that which is unfitting, and keep that which proved fitting.

我可以摒弃那些不合适的，保留那些被证明是合宜的东西。

It's therefore perfectly unfitting to undertake such a vast project once again.

因此，我再一次捡起这个庞大的话题就显得极不恰当。

I trust that a place given to it among my reminiscences may not be deemed unfitting.

但我相信，让它在我的回忆录里出现，或许不会被认为不妥。