YOU SAID:

one time but then not on another even if i do say so

INTO JAPANESE

一度はそう言っても、別の時はそうはならない

BACK INTO ENGLISH

Say so once, but not another time

INTO JAPANESE

一度はそう言うが、二度と言わない

BACK INTO ENGLISH

Say so once, but never again

INTO JAPANESE

一度はそう言うが、二度と言わない

BACK INTO ENGLISH

Say so once, but never again