Quickly they thrust the stake of wood into the fire until it was ready to burst into flame.

他们马上将木头放入火上，直到它们可以变成大火。

You're hot. you're not going to burst into flames.

你是在发热 又没有着火。

“Neville here is now going to demonstrate what happens to anyone foolish enough to continue to oppose me, ” said Voldemort, and with a flick of his wand, he caused the Sorting Hat to burst into flames.

“纳威将要向大家演示，那些愚蠢地继续反抗我的人会有什么下常”伏地魔说着一挥魔杖，分院帽立刻燃起了火焰。