Was there somebody standing there or was it a trick of the light ?

是真的有人站在那儿还是光线引起的错觉？

《牛津词典》

Was it a trick of the light?

这是光线造成的幻觉吗？

youdao

It must have been a trick of the light.

刚才我一定是眼花了。

youdao

Since this was a classified mission for the Department of Defense (you know, to handle super secret military stuff), the shuttle's crew was forced to encrypt the images of the damaged tiles it sent back to NASA, which lowered the resolution of the images enough that the ground crew wrote off the damage as a trick of the light.

ENGADGET: Space Shuttle Atlantis ends its run of predicting disaster for other NASA shuttles

Europe's Planck telescope, which last week showed us a picture of the oldest light streaming across the Universe, has another trick up its sleeve.

BBC: Planck telescope: A map of all the 'stuff' in the cosmos