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 4000 Duolingo (N O) - Spelling Practices
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a. 過失 failing to be careful enough or to give enough attention to your responsibilities; inattentive


Spelling Word: negligent
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v. ニブル bite by little at a time; seize gently with the mouth; eat slowly or in small bits


Spelling Word: nibble
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a. 夜行性 of or relating to or occurring in the night; most active at night


Spelling Word: nocturnal
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n. 栄養 nourishing substance; source of nourishment, especially the nourishing ingredient in a food


Spelling Word: nutrient
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n. 多数 act of binding oneself by a social, legal, or moral tie; written promise to repay a debt


Spelling Word: obligation
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v. 無名 darken; make dim or indistinct; conceal in obscurity


Spelling Word: obscure
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n. 障害 one that opposes stands in the way of or holds up progress


Spelling Word: obstacle
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a. 奇数 not easily explained; beyond from the usual or expected; not divisible by two


Spelling Word: odd
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a. 進行中 continuing to exist or develop; existing


Spelling Word: ongoing
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v. 軟泥 be any thick messy substance; pass gradually; progress slowly but steadily


Spelling Word: ooze