Na-adjective (keiyodoshi), Nounstupid; foolish

Nounignorance · covering; concealing · Mongolia

NounInner Mongolia

NounManchuria and Inner Mongolia

NounHarmonyOS (Huawei)

Nounmeng (hexagram 4 of the I Ching: youthful folly)

Expressions (phrases, clauses, etc.), Nounperson who has made no progress; someone who remains as ignorant as before