YOU SAID:

the knife with the wife is high

INTO JAPANESE

妻とのナイフは高い

BACK INTO ENGLISH

Knives with my wife are expensive

INTO JAPANESE

妻が持っているナイフは高価です

BACK INTO ENGLISH

The knife my wife has is expensive

INTO JAPANESE

妻が持っているナイフは高価です

BACK INTO ENGLISH

The knife my wife has is expensive