GRAMMAR DETAIL

に耐えない

too ... to bear

Indicates that a condition is so awful that one cannot bear to keep looking at or listening to it.

Examples

長く放置された部屋は見るに耐えないほど散らかっていた。

The room, which had been neglected for a long time, was so messy that it was painful to look at.

事故の現場は見るに耐えない状態だった。

The accident scene was too awful to look at.

録音には聞くに耐えないほどの雑音が入っていた。

The recording contained so much noise that it was unbearable to listen to.

Structure: Attach に耐えない to the dictionary form of a verb such as seeing or hearing to describe content or conditions too unpleasant to bear.
Basic usage: 録音には聞くに耐えないほどの雑音が入っていた。 means that the recording contained so much noise that it was unbearable to listen to.

Continuing with ほど to express degree
- 見るに耐えない状態 is a noun phrase meaning a state unbearable to look at. 見るに耐えないほど散らかっていた adds ほど to explain how severely untidy it was.