語彙力

1. Origins, structure, and basic meaning

• Structure: 語彙力 is read as ごいりょく and means vocabulary ability: the breadth of words a person knows, understands, or can use.
• Basic usage: It can describe vocabulary improving through broad reading or someone noticing a lack of vocabulary through writing.

2. Common pitfalls and similar expressions

• Vocabulary improving
  • 語彙力が伸びる means that the range of words one knows and can use gradually develops. Example: 幅広い本を読むと語彙力が少しずつ伸びます。
• Noticing a shortfall
  • 語彙力の不足に気づく means becoming aware that one's vocabulary is insufficient through an activity such as composition. Example: 作文を通して自分の語彙力の不足に気づきました。