YOU SAID:

I've decided that it's too much to take on.

INTO JAPANESE

それはあまりにも多くを取ることを決定しました。

BACK INTO ENGLISH

It has decided to take too much.

INTO JAPANESE

それはあまりにも多くを取ることとしました。

BACK INTO ENGLISH

It was too much to take.

INTO JAPANESE

あまりにも多くを取ることだった。

BACK INTO ENGLISH

It was too much to take.