にわか, 俄, 俄か
1. sudden, abrupt, unexpected, improvised, hasty, offhand
2. impromptu skit
3. bandwagon fan, fair-weather fan
突然的,骤然的,出乎意料的,即兴的,仓促的,随意的;即兴小品;墙头草球迷
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@ 形容動詞, けいようどうし
1. adjectival noun (in Japanese), quasi-adjective, nominal adjective, na-, taru-, nari- or tari-adjective
形容動詞、II类形容词