YOU SAID:

This got deep really quick

INTO JAPANESE

これは深くなった本当に速い

BACK INTO ENGLISH

It was deep really fast

INTO JAPANESE

それは深い本当に速かった

BACK INTO ENGLISH

It is really fast

INTO JAPANESE

それは本当に速い

BACK INTO ENGLISH

It's really fast

INTO JAPANESE

それは本当に速い

BACK INTO ENGLISH

It's really fast