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彼は専門的な知識を持っています。
He has expert knowledge.
Specialized or technical knowledge acquired through formal study or experience in a particular field.
医療現場では専門的な知識が不可欠です。
Expert knowledge is essential in medical settings.
このプロジェクトには専門的な知識が必要です。
This project requires specialized knowledge.
Often used in professional or academic contexts to emphasize depth of understanding in a specific area.
While this phrase is useful, avoid repeating it excessively in a single context. Instead, specify the field (e.g., '医療の専門的な知識' for medical expertise).
Use '専門的な知識' when referring to knowledge that requires formal training or experience. For casual expertise, '詳しい知識' (detailed knowledge) may be more appropriate.
専門的 (senmon-teki) comes from 専門 (senmon, 'specialty' or 'expertise') + 的 (teki, a suffix forming adjectives meaning 'related to'). 知識 (chishiki) means 'knowledge'. The phrase combines these to describe knowledge specific to a field of expertise.
This phrase is commonly used in resumes, job descriptions, and academic contexts to highlight specialized qualifications. It implies a higher level of understanding than '一般的な知識' (general knowledge).