YOU SAID:

4chan has always existed on a knife's edge.

INTO JAPANESE

4 chan は、ナイフの端に常に存在しています.

BACK INTO ENGLISH

4chan is always existed on the edge of a knife.

INTO JAPANESE

4 chan はナイフの刃に常に存在しています.

BACK INTO ENGLISH

4chan is always present in the blade of a knife.

INTO JAPANESE

4 chan がナイフのブレードで常にあります.

BACK INTO ENGLISH

4chan on the blade of a knife at all times.

INTO JAPANESE

すべての回でナイフの刃に 4 chan.

BACK INTO ENGLISH

4chan on the blade of a knife at all times.