夫妻

1. Origins, structure, and basic meaning

• Structure: Written 夫妻 and read ふさい, it is a relatively formal or respectful term for a married couple.
• Basic usage: It is used when inviting a teacher and spouse to dinner and when describing an elderly couple.

2. Common pitfalls and similar expressions

• More formal than the everyday term
  • It often refers politely to another couple or appears in formal written description.