丁重

1. Origins, structure, and basic meaning

• Structure: 丁重 (ていちょう) is a noun and na-adjective for conduct that is highly courteous and attentive.
• Basic usage: 丁重に断る means to decline respectfully, while 丁重に扱う means to handle something with care.
  • 招待を丁重に断り、理由も短く添えた。 — I politely declined the invitation and briefly explained why.
  • 係員は客の荷物を丁重に扱った。 — The staff member handled the guest's luggage with care.

2. Common pitfalls and similar expressions

• Courtesy and careful treatment
  • Toward a person, 丁重さ emphasizes respect; in 丁重に扱う with an object, it emphasizes attentive handling. It is not limited to elevated wording.