Chinese

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casual; as one pleases
opening; door; gate
opening; door; gate; doorway; gateway; valve; switch; way to do something; knack; family; house; (religious) sect; school (of thought); class; category; (taxonomy) phylum or division
 
trad. (隨意門) 隨意
simp. (随意门) 随意

Etymology

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After the Anywhere Door in Doraemon.

Pronunciation

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Noun

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隨意門

  1. (Hong Kong, science fiction) teleportation portal