What could he've been thinking of? It must be a trick of the light.

他到底在想些什么? 很可能是光线使他产生了错觉吧。

Maybe it was just his imagination, or a trick of the light.

也许这只是他的想象， 或者光的把戏。

It must have been a trick of the light.

一定是光线的问题。

One recent development suggests that these blobs are a trick of the light here on Earth.

最近的一项发展表明，这些斑点是地球上光的诡计。

At first he thought someone was coming towards him, but it was just a trick of the light.

【trick】开始他以为有人朝他走来，原来只是灯光引起的错觉。

" I thought—but a trick of the light, I suppose—" said Hepzibah, looking unnerved, and Harry guessed that she too had seen the momentary red gleam in Voldemort's eyes.

“我以为——是光线吧——”赫普兹巴说，好像有点慌乱。哈利猜她可能也看到了伏地魔眼中那瞬间的红光。