ＯＢ おうびい会 かい

ō biikai

1. Not an alumni association.

1. Was a graduates' association meeting.

1. At the alumni association meeting; In the alumni association

1. Alumni association-related; Former classmates-related

1. It is not the alumni association.; I am not part of the alumni association.

1. It's not the alumni association.

1. Was the alumni association meeting.

1. OB Association; Alumni Association

1. Is not a former classmates' association.; Is not an alumni gathering.

1. Was not a reunion; Wasn't an alumni association meeting

1. Probably a meeting.; Probably the OB meeting.

1. Was not a homecoming banquet.; Was not an alumni association event.

1. Wasn't at the alumni gathering.; Didn't attend the alumni association event.

1. Probably the OB association.; Likely a gathering of alumni.

1. Was not a former classmates' association meeting.; Was not part of the alumni association.

1. If it were the alumni association…; When it’s the alumni association…

1. If the alumni association; When the alumni association

1. If/when the alumni association…; When there’s an alumni association…