達成

1. Origins, structure, and basic meaning

• Structure: 達成, read たっせい, means reaching an intended level or result.
• Basic usage: 達成する means achieving a goal or fulfilling a plan.

2. Common pitfalls and similar expressions

• Goals and noun phrases
  • 目標を一つずつ達成して describes achieving goals one at a time and connects to the subsequent gain in confidence.
  • 計画の達成 expresses fulfillment of a plan as a noun phrase.
• Ending versus achieving
  • 終了 focuses on something ending, while 達成 focuses on attaining the intended result.