TSUMUGU · TOCFL C1 (est.) · 詞
本性
ㄅㄣˇ ㄒㄧㄥˋ · běnxìng
noun — inherent nature, true character (the disposition one is born with)
關 · Related
天tiānxìngthe synonym — inborn nature難移běnxìngnányíthe set phrase — one's nature is hard to change