覆面

1. Origins, structure, and basic meaning

• Structure: 覆面, read ふくめん, is a covering that conceals the face.
• Basic usage: It can refer to the mask itself or to being masked.

2. Common pitfalls and similar expressions

• Object and state
  • In the example, 黒い覆面を着けた人物 means a person wearing a black mask.
  • In 覆面の選手, の describes the athlete as masked.
• Connection to identity
  • In the second example, 正体を明かした says that the concealed identity was revealed.