必須 [ㄅㄧˋ ㄒㄩ; bi4 xu1]
to have to
must
compulsory
necessarily
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必須
ひっす
ひっしゅ
ひっすう
nouns which may take the genitive case particle `no'
adjectival nouns or quasi-adjectives (keiyodoshi)
noun (common) (futsuumeishi)
indispensable
required
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