YOU SAID:

communities with adjoining territories and close relationships that engage in constant feuds and mutual ridicule because of hypersensitivity to details of differentiation

INTO JAPANESE

隣接する地域と差別化の詳細に対する過敏症のため一定の確執と相互の嘲笑に従事する親密な関係の社会

BACK INTO ENGLISH

Intimate relationships to engage in mockery of the adjacent areas and differentiate details sensitivity to certain feuds and mutual societies