YOU SAID:
It when down the wrong pipe
INTO JAPANESE
間違ったパイプを通ったとき
BACK INTO ENGLISH
when you go through the wrong pipe
INTO JAPANESE
間違ったパイプを通過したとき
BACK INTO ENGLISH
when passing through the wrong pipe
INTO JAPANESE
間違ったパイプを通過したとき
BACK INTO ENGLISH
when passing through the wrong pipe
You've done this before, haven't you.