Translation of "Flinging" in Japanese

The boy passed the time by flinging stones into the lake.

少年は湖に石を投げて時間を過ごした。

The turbulent sands above our heads, the flinging of our swords... they're naught but falling stars in the night sky.

我らの頭上に荒れ狂う砂と剣の煌きは、まるで夜空に降り注ぐ流星の如し。