YOU SAID:

Would you happen to have a spare lying around?

INTO JAPANESE

たまたまスペアがあるのでしょうか。

BACK INTO ENGLISH

Do you happen to have spares?

INTO JAPANESE

たまたまスペアがありますか？

BACK INTO ENGLISH

Do you happen to have a spare?

INTO JAPANESE

たまたま予備がありますか？

BACK INTO ENGLISH

Do you happen to have a reserve?

INTO JAPANESE

たまたま準備ができていますか？

BACK INTO ENGLISH

Are you prepared by accident?

INTO JAPANESE

あなたは偶然に備えていますか？

BACK INTO ENGLISH

Are you prepared by accident?