adverb taking the 'to' particle, adverb, noun or participle which takes 'suru', noun which may take the genitive case particle 'no'
afraid; fearful; nervous; timid
Describes a state of being scared, anxious, or on edge, often with a visible trembling or jumpiness. Commonly used with する or と.
彼は大きな犬を見てびくびくしている。
He is nervous at the sight of the big dog.
びくびくしながら暗い道を歩いた。
I walked down the dark street, feeling scared.
adverb taking the 'to' particle, adverb, noun or participle which takes 'suru', noun which may take the genitive case particle 'no'
Refers to physical trembling or shivering, often from fear, cold, or nervousness. Can overlap with sense 1 but emphasizes the physical movement.
寒さで体がびくびく震えた。
My body shivered from the cold.