achievement

Compared meaning: success gained through effort or skill (noun).

比较义项：通过努力或技能获得的成功、成就（名词）。

• achievement 本词

  Often used for a notable, sometimes public success that others recognize as significant, not just a personal milestone.

  常指值得注意、有时会被他人公开认可的重大成功，而不仅是个人的小小里程碑。

  Landing on the moon remains humanity's greatest scientific achievement.

  登上月球仍是人类最伟大的科学成就。

• accomplishment

  Tends to highlight the personal effort and satisfaction of completing something difficult, even if it is not widely known.

  更强调完成一件困难的事所付出的个人努力和获得的满足感，即使这件事并不广为人知。

  Learning to cook a full meal alone felt like a real accomplishment to her.

  独自学会做一整顿饭，对她来说是一件真正的成就。

Both words mean success gained through effort, and are close enough to overlap. Achievement often refers to a notable, sometimes public success that others recognize as important. Accomplishment highlights personal effort and the satisfaction of finishing something difficult, even if not widely known.

两词都指靠努力取得的成功，语气相近，常可互换；achievement 更强调事情本身的分量或社会认可度，accomplishment 更强调个人完成了一件不容易的事，带来的满足感。