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Originally published on metropolis.co.jp on September 2011
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ヒラヒラ
Hira hira
The flight of a butterfly.
Objects fluttering and swirling like paper.
Example:
ヒラヒラと舞]う蝶々を追いかけた。
Hira hira to mau chocho wo oikaketa.
I chased after the fluttering butterfly.