YOU SAID:
the fish swam swiftly
INTO JAPANESE
魚は素早く泳いだ
BACK INTO ENGLISH
Fish swam quickly
INTO JAPANESE
魚はすぐに泳ぎました
BACK INTO ENGLISH
The fish immediately swam
INTO JAPANESE
魚はすぐに泳ぎました
BACK INTO ENGLISH
The fish immediately swam
That's deep, man.