He looked up at me with a scowl.

他脸色阴沉，抬眼看了看我。

《牛津词典》

He looked up and down the rain-swept street.

他上下大量着下着大雨的街道。

《柯林斯英汉双解大词典》

He looked up distractedly. "Be with you in a second."

他心不在焉地抬头说：“马上就来。”

《柯林斯英汉双解大词典》

When he looked at the paintings up close, he saw brush strokes, texture and fields of color.

VOA: special.2010.03.24

I looked it up; he went to American University, both undergraduate and his name is David Nason undergraduate and then he got a law degree at American University.

我查了一下;,他大学本科和研究生都是美国大学毕业的,他叫做大卫·内森,他的专业是法学。

耶鲁公开课 - 金融市场课程节选

He also mentioned a poemby Rudyard Kipling called If. I didn't recognize what he was referring to immediately but I looked it up and it's a famous poem that you must have seen written in 1910 an inspirational poem.

他同时也提到了拉迪亚德？吉卜林的一首诗歌,名字叫做《如果》，我当时并没有迅速反应出,他到底指的是哪首诗，但是之后我查了一下发现,它是一首你肯定见过的著名的诗歌,写于1910年，一首启发性的诗。

耶鲁公开课 - 金融市场课程节选

When he looked up again, he was surrounded by friends and colleagues, but Pereda was gone.

NEWYORKER: The Insufferable Gaucho

He looked up and saw her and did the thing where he blew a kiss.

NEWYORKER: Puppy

He looked up to discover that he had bent down the hollow nose needle at a twenty-degree angle.

WSJ: The Spy Who Turned Me