YOU SAID:

the tension was so thick you could cut it with a knife.

INTO JAPANESE

ナイフで切れるほどの張りがありました。

BACK INTO ENGLISH

There was enough tension to cut it with a knife.

INTO JAPANESE

ナイフで切るほどの緊張感があった。

BACK INTO ENGLISH

I felt nervous enough to cut it with a knife.

INTO JAPANESE

ナイフで切るほど緊張した。

BACK INTO ENGLISH

I was nervous enough to cut with a knife.

INTO JAPANESE

ナイフで切るほど緊張していた。

BACK INTO ENGLISH

I was nervous enough to cut with a knife.