YOU SAID:

i was walking down the street until i head a loud crash

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私は大騒ぎに向かうまで通りを歩いていた

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I was walking down the street until I got into a fuss

INTO JAPANESE

私が大騒ぎになるまで私は通りを歩いていた

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I was walking down the street till it made a big fuss

INTO JAPANESE

それが大騒ぎになるまで私は通りを歩いていた

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I was walking down the street until it made a fuss

INTO JAPANESE

私はそれが大騒ぎになるまで通りを歩いていた

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I was walking down the street till it was a fuss

INTO JAPANESE

私はそれが大騒ぎになるまで通りを歩いていた

BACK INTO ENGLISH

I was walking down the street till it was a fuss