1.
personal matters; one's personal circumstances
Matters relating to one's own personal life or situation. Most often appears in the set phrase 一身上の都合, a polite, deliberately vague reason given when resigning or declining without disclosing details.
一身上の都合で退職します。
I am resigning for personal reasons.
一身上の理由で欠席した。
I was absent for personal reasons.
詳しい事情は言えないが、一身上の都合で引っ越すことになった。
I can't go into detail, but I've decided to move for personal reasons.
Almost always used in the fixed phrase 一身上の都合 ('personal circumstances'), a conventional and intentionally vague reason for resigning, declining, or being absent. It signals that the matter is private and not open to discussion.
COMMON COLLOCATIONS:
- 一身上の都合: personal reasons; personal circumstances
- 一身上の理由: personal reasons