ビビクビク・びくびくビクビク表記・読み:びくびく1being afraid of; being fearful; being timid; being nervous副詞(と)副詞noun or participle which takes the aux. verb surunouns which may take the genitive case particle 'no'onomatopoeic or mimetic word2trembling; shivering副詞(と)副詞noun or participle which takes the aux. verb surunouns which may take the genitive case particle 'no'onomatopoeic or mimetic word札へ残す語をコピー