Watashi no shippai ni yori go-meiwaku o o-kake shi kyōshuku desu.I feel shame for causing trouble because of my mistake.

mune ga tsukaete nani mo ienaito be unable to say anything due to being too emotional

Watashi wa ichiji ni tomodachi ni aimashita.I met my friend at one o'clock.

gokyū sūpā rajiofive-tube superheterodyne receiver