pata-pata
A gentle, quick flapping — sandals slapping against the floor, a small bird fluttering its wings, or light rain tapping.
💡Walking in sandals — 'Her sandals went pata-pata on the hallway floor.'
サンダルでぱたぱた歩いた。
I walked pata-pata in my sandals.
I could hear her ___ walking down the hallway in flip-flops.
スリッパで廊下を○○歩く音が聞こえた。