YOU SAID:

How can I make an erection last over 4 hours

INTO JAPANESE

最後以上 4 時間勃起があるように

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Lasts more than four-hour erection is to be

INTO JAPANESE

4 時間勃起よりも続きますが

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4 hour erection than followed

INTO JAPANESE

勃起 4 時間後より

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Erection after 4 hours

INTO JAPANESE

4 時間後の勃起

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4 hours after erection

INTO JAPANESE

勃起した後 4 時間

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The erection after 4 hours

INTO JAPANESE

4 時間後に勃起

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4 hours after erection

INTO JAPANESE

勃起した後 4 時間

BACK INTO ENGLISH

The erection after 4 hours

INTO JAPANESE

4 時間後に勃起