爷爷愈来愈丢三落四了。用英语怎么说？

爷爷愈来愈丢三落四了。

Grandpa’s becoming quite absent-minded.

becoming

adj. <正>（衣服等）相配的，合身的，合适的，与…相称的；n. <哲>（变化过程的）形成，发生；v. 变为，成为( become的现在分词 )，适合，使（人）显得漂亮，使好看；

例句
He had discovered politics and was rapidly becoming absorbed by it...
他接触到了政治并且迅速地对它着了迷。

quite

adv. 相当，很，非常，确实如此；

例句
For a novelist, that's quite an accomplishment...
对于一位小说家来说，那是相当了不起的成就。