YOU SAID:

It's been too long since I saw your smile.

INTO JAPANESE

私はあなたの笑顔を見た以来あまりにも長いのです。

BACK INTO ENGLISH

I saw your smile since it is too long.

INTO JAPANESE

それはあまりにも長いので、あなたの笑顔を見た。

BACK INTO ENGLISH

Because it is too long, I saw your smile.

INTO JAPANESE

あまりにも長いので、私はあなたの笑顔を見た。

BACK INTO ENGLISH

Way too long, so I saw your smile.

INTO JAPANESE

方法は長すぎるので、私はあなたの笑顔を見た。

BACK INTO ENGLISH

How long, because I saw your smile.

INTO JAPANESE

どのくらいの時間、あなたの笑顔を見たので。

BACK INTO ENGLISH

Because I saw how much time, you smile.

INTO JAPANESE

どのくらいの時間を見て、あなたは笑顔します。

BACK INTO ENGLISH

Look at how much time you, you smile.

INTO JAPANESE

どのくらいの時間を見て、あなたの笑顔します。

BACK INTO ENGLISH

Look at how much time you, you smile.