YOU SAID:
you knew I was trouble when I walk in
INTO JAPANESE
あなたは私が歩いているときに私が問題だったことを知っていた
BACK INTO ENGLISH
You knew that I was in trouble when I was walking
INTO JAPANESE
あなたが歩いているときに私が困っていたことを知っていた
BACK INTO ENGLISH
I knew that I was in trouble while you were walking
INTO JAPANESE
あなたが歩いている間に私が困っていたことを知っていた
BACK INTO ENGLISH
I knew that I was in trouble while you were walking
You should move to Japan!