YOU SAID:

If you see volcano eruption you better run away quickly.

INTO JAPANESE

あなたが火山噴火を見るならば、すぐに逃げるほうがいい。

BACK INTO ENGLISH

You had better get away if you see a volcanic eruption.

INTO JAPANESE

君はここからすぐに逃げたほうがよい。

BACK INTO ENGLISH

You had better get away from here at once.

INTO JAPANESE

君はここからすぐに逃げたほうがよい。

BACK INTO ENGLISH

You had better get away from here at once.