私用

1. Origins, structure, and basic meaning

• Structure: 私用, read しよう, means personal business or private use as distinct from official or workplace purposes.
• Basic usage: 私用のため gives a personal reason, while 私用で使う describes using organizational property privately.

2. Common pitfalls and similar expressions

• Personal business and private use
  • It covers leaving work for a personal matter and using a company vehicle privately. Both contrast with official work or shared organizational purposes.