私生活

1. Origins, structure, and basic meaning

• Structure: The noun 私生活 (しせいかつ) denotes a person's private life apart from work or public roles.
• Basic usage: It contrasts with work in 仕事と私生活, and someone else's 私生活 may be the object of intrusive inquiry.

2. Common pitfalls and similar expressions

• Life outside one's public role
  • It is the personal sphere distinct from work or public activity and does not imply that its details are open to others.