It seemed to take Sirius an age to fall: his body curved in a graceful arc as he sank backward through the ragged veil hanging from the arch.

小天狼星摔倒好像用了很长时间：当他向后摔倒，通过了拱门上粗糙的帘子时，他的身体蜷成了一个优美的拱形。