英语语法分析

The happiness of Dida is undescribable.

迪达的快乐是无法描述的。

All these feelings converge upon a simple affection, that is our immense and undescribable melancholy on this life-isolated island of increasing wealth.

所有这些感受汇成了一种单纯的情怀，那就是我们人在这个渐渐富饶起来的生命孤岛上无法形容的巨大悲哀。