完成

1. Origins, structure, and basic meaning

• Structure: 完成 (かんせい) combines completeness 完 and achievement 成 to denote completion.
• Basic usage: It describes a finished bridge and the remaining part needed before a model is complete.

2. Common pitfalls and similar expressions

• Completed result and path to completion
  • 完成した states the endpoint has been reached, while 完成まで looks forward to work still required.