一いち局きょく部ぶMeanings1nounone part; a partRefers to a single part or section of something, often used in contrast to the whole.この問もん題だいは一いち局きょく部ぶに過すぎない。This problem is only one part of it.彼かれは全ぜん体たいではなく一いち局きょく部ぶだけを見みている。He is looking at only one part, not the whole.