YOU SAID:
Shall we pump our legs for many minutes?
INTO JAPANESE
何分も足を汲み上げましょうか。
BACK INTO ENGLISH
Shall I pump up my feet for many minutes?
INTO JAPANESE
何分も足をポンプで上げようか？
BACK INTO ENGLISH
Shall I pump my feet up for a few minutes?
INTO JAPANESE
数分間足をポンプで上げようか？
BACK INTO ENGLISH
Shall we pump our feet up for a few minutes?
INTO JAPANESE
数分間足をポンプで上げようか？
BACK INTO ENGLISH
Shall we pump our feet up for a few minutes?
That didn't even make that much sense in English.
