YOU SAID:

wow the weather is outstanding! I cant believe it changed to fast!

INTO JAPANESE

すごい天気です！高速に変わったとは信じられない！

BACK INTO ENGLISH

It's amazing weather! I can't believe it has changed fast!

INTO JAPANESE

素晴らしい天気です！私はそれが急速に変化したとは信じられない！

BACK INTO ENGLISH

Great weather! I can't believe it has changed rapidly!

INTO JAPANESE

素晴らしい天気！私はそれが急速に変わったとは信じられない！

BACK INTO ENGLISH

Great weather! I can't believe it has changed rapidly!