A small part reveals the whole; you can see a complete pattern from a small sample.
斑杂色的花纹或斑点。比喻见到事物的一少部分也能推知事物的整体。
南朝·宋·刘义庆《世说新语·方正》此郎亦管中窥豹，时见一斑。”
From his messy room, you can see a speck of his chaotic lifestyle.
Learn the next connected idiom: 可见一斑 (kě jiàn yī bān) → 斑驳陆离 (bān bó lù lí)
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