be on fire

When I held up my hand , it , too, seemed be on fire.

我抬起手来时, 手似乎也着火了.

Look at that smoke, That building must be on fire.

看那些烟, 那幢大楼一定是失火了.

But at the theater my brain still seemed to be on fire.

但是晚上到了剧院之后,我的脑子还是像火烧一样.

Oh, then your barn must be on fire.

哦, 那么,也许是你家的牛棚着火了.

Her head appears to be on fire but that is only a trick of the light.

她的头部看上去像是着火了，但那只是灯光造成的幻觉。

The mountains appear to be on fire as they peer up at the drifting clouds.

云过之处群山红似火,而夏季的炎热更是火气冲天.

Doctor my whole body seems to be on fire , I don't know what to do.

医生,我整个身体都火辣辣的, 该怎么办啊!