'Eat' has the selectional restriction that it must be followed by a kind of food, so 'I eat sky' is not possible.

eat一词之后限跟某种食物，所以不可能说I eat sky。

《牛津词典》

Instead it would be directed at a mirror, and from there into the sky.

相反，它会对准一面镜子，从那里反射到天空。

youdao

When the sky suddenly turns dark and the wind is strong, watch out! A dangerous storm might be coming.

当天色突然变黑且狂风大作的时候，要小心！一场危险的暴风雨可能要来了。

youdao

Sometimes,observers see this as a comet's tail, which can be visible to the unaided eye stretching across the night sky.

VOA: special.2011.02.09

They seem to be reaching toward the sky there, but not reaching toward the sky as in the cupola of a Baroque church where you're supposed to see God at the top.

而且这些建筑看上去都高耸入云,不过不像巴洛克式教堂高耸的塔楼那样,往顶上看时,你应该会看到雕刻着的上帝

耶鲁公开课 - 欧洲文明课程节选

There may be a gray sky behind the Eiffel Tower or Big Ben when you take your vacation photos, but that's nothing a little photo editing can't fix.

CNN: Travel on the cheap: 5 times to go

That's bad news for the comet, but it could be a boon for sky watchers if the comet is brighter and easier to see.

CNN: Welcome to the year of the comet (we hope)

Also Mr Murdoch would say that the concessions he gave Mr Hunt - such as that the board of the partly demerged Sky News should have a majority of independent directors and that the chairman of Sky News should not be a News Corp employee - were very painful for him.

BBC: How Hunt avoided lengthy review of Murdoch��s Sky bid