YOU SAID:
I have never encountered such a difficult problem.
INTO JAPANESE
私はこれほど難しい問題に遭遇したことはありません。
BACK INTO ENGLISH
I have never run into such a difficult problem.
INTO JAPANESE
私はこれほど難しい問題に遭遇したことはありません。
BACK INTO ENGLISH
I have never run into such a difficult problem.
You've done this before, haven't you.