Translation guide
The set of words known or used by a person, or the words of a language. In Japanese, this is commonly expressed with 語彙 (ごい), but depending on context, other terms like 単語 (たんご) for 'word' or 言葉 (ことば) for 'language/words' may be more natural.
Referring to someone's personal set of words, such as 'my vocabulary', 'expand your vocabulary', or 'limited vocabulary'.
The standard term for 'vocabulary' as a collection of words. Used in both casual and formal contexts.
He has a rich vocabulary.
I'm reading books to increase my vocabulary.
Literally 'word power', often used in educational contexts to refer to vocabulary ability or the number of words one knows.
To build your vocabulary, it's important to learn a little every day.
A more colloquial way to say 'the words I know'. Useful when 語彙 feels too technical.
I don't know many words, so I can't speak well.
Referring to the entire set of words in a language, or specialized terminology, e.g., 'English vocabulary', 'technical vocabulary'.
Used for the vocabulary of a language or a specific domain. Often combined with the language name.
English vocabulary is very large.
I'm studying medical vocabulary.
Refers to terminology or jargon specific to a field. Often used for technical or specialized vocabulary.
Referring to a set of words compiled for study, such as a vocabulary list or flashcards.
語彙 (ごい) refers to the collective vocabulary or lexicon. 単語 (たんご) means an individual word. 言葉 (ことば) can mean 'word', 'language', or 'expression' in a broader sense. Use 語彙 when talking about the set of words, 単語 when referring to a specific word, and 言葉 for more general contexts.
What is the meaning of this word?
I want to increase my Japanese vocabulary.
この分野の専門用語は難しい。
The technical vocabulary in this field is difficult.
単語帳を作って通勤中に復習している。
I made a vocabulary notebook and review it during my commute.