paki-paki
The crisp, sharp cracking of thin ice or frost — stepping on frozen puddles in winter, icicles snapping off, or a thin ice sheet breaking apart.
💡Walking on frozen puddles in winter — 'The thin ice cracked paki-paki under my boots.'
薄い氷がぱきぱきと割れた。
The thin ice cracked paki-paki.
The frozen puddle ___ cracked as we stepped on it.
凍った水たまりが足で踏むと○○と割れた。