YOU SAID:

one time i step upon a big fat whale who was ugly

INTO JAPANESE

ある時、ブサイクで太ったクジラを踏んだ

BACK INTO ENGLISH

One time I stepped on an ugly and fat whale

INTO JAPANESE

醜くて太ったクジラを踏んだことがあります

BACK INTO ENGLISH

I once stepped on an ugly fat whale

INTO JAPANESE

私はかつて醜い太ったクジラを踏んだ

BACK INTO ENGLISH

I once stepped on an ugly fat whale