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taboo
contraindication
その部族には独自の禁忌が数多く存在する。
That tribe has many unique taboos.
禁忌に触れた者は厳しい罰を受けた。
Those who violated the taboo received harsh punishment.
社会の禁忌を破る作品が論争を呼んだ。
A work that broke social taboos sparked controversy.