go within
to go between two parties―mediate between two parties―interpose between two parties―intervene between two parties―act as go-between―act as mediator
お入り
to enter a hole―(死んでなら)―sink into the grave
はって中に入る
to pierce something
Please come inside.
I was ushered into the family-room.
to run into the jaws of death―put one's head into a lion's mouth