YOU SAID:

you opened that can of worms now lie in it

INTO JAPANESE

あなたは今、その中にあるワームの缶を開いた

BACK INTO ENGLISH

You've now opened a can of worms in it

INTO JAPANESE

あなたは今、その中にワームの缶を開きました

BACK INTO ENGLISH

You've now opened a can of worms in it