YOU SAID:

So this one time i got lost in a mess of trees and couldn't find the door to inside

INTO JAPANESE

だから、この一回木々に迷い込んで、中への扉を見つけることができなかった

BACK INTO ENGLISH

So I couldn't find the door to get inside this tree once

INTO JAPANESE

一度この木の中に入るドアを見つけることができませんでした

BACK INTO ENGLISH

Once I couldn't find a door to go into this tree

INTO JAPANESE

この木に入るドアを見つけることができなかったら

BACK INTO ENGLISH

If you can't find the door that goes into this tree

INTO JAPANESE

この木に入るドアが見つからない場合

BACK INTO ENGLISH

If you can't find the door that goes into this tree