YOU SAID:

Mystery will be there so I can do very well

INTO JAPANESE

私は非常によく行うことができるので、謎がそこにあるだろう

BACK INTO ENGLISH

I could do very well, so the mystery would be there

INTO JAPANESE

私は非常によくやることができたので、謎はそこにあるだろう

BACK INTO ENGLISH

I was able to do very well, so the mystery would be there

INTO JAPANESE

私は非常によくやることができたので、謎はそこにあるだろう

BACK INTO ENGLISH

I was able to do very well, so the mystery would be there