ハラハラする · noun or participle which takes 'suru'
| Form | Positive | Negative |
|---|---|---|
| Dictionary | ハラハラする | ハラハラしない |
| Polite | ハラハラします | ハラハラしません |
| Past polite | ハラハラしました | ハラハラしませんでした |
| Past | ハラハラした | ハラハラしなかった |
| Te-form | ハラハラして | ハラハラしないで |
| Desire | ハラハラしたい | ハラハラしたくない |
| Potential | ハラハラできる | ハラハラできない |
| Passive | ハラハラされる | ハラハラされない |
| Causative | ハラハラさせる | ハラハラさせない |
| Causative passive | ハラハラさせられる | ハラハラさせられない |
| Volitional | ハラハラしよう | |
| Polite volitional | ハラハラしましょう | |
| Imperative | ハラハラしろ | ハラハラするな |
| Conditional | ハラハラすれば | ハラハラしなければ |
| Tara conditional | ハラハラしたら | ハラハラしなかったら |
noun or participle which takes 'suru', adverb
Describes a state of suspense, worry, or nervous excitement while watching something unfold. Often used with する or as an adverb.
試合の結果が気になってハラハラした。
I was on edge worrying about the match result.
I waited anxiously, hoping she wouldn't be late.
adverb, adverb taking the 'to' particle
fluttering down; trickling down
Describes light things like petals, leaves, or tears falling gently and continuously. Often used with と.
Cherry blossom petals are fluttering down.
Her tears trickled down.
adverb, adverb taking the 'to' particle
hanging untidily; straggling
Describes hair that is loose, disheveled, or hanging down in an untidy way. Less common than the other senses.
My bangs are hanging down untidily and getting in the way.
I was on edge about the outcome of the match.
The cherry blossom petals came fluttering down.
The wind left her hair loose and disheveled.
His dangerous driving kept the passengers on edge.
Tears trickled gently from her eyes.
ハラハラ is a mimetic word describing the nervous, on-edge feeling itself, whereas スリリング describes the quality of the thing causing that feeling.