[nèi bù]
interior; inside; inward; indoor; depth; viscera; bowel; internal
internal relations
內部聯系
the domestic affairs of a country
國家內部事務
contradictions among the people
人民內部矛盾
inherent laws of a thing
事物的內部規律性
The easiest way to capture a fortress is from within.
堡壘是最容易從內部攻破的。