If you are looking up at the sky on a clear night and you see a sudden flash of light, it is probably a shooting star!

如果你在晴朗的夜晚仰望天空，突然看到一道闪光，那可能是颗流星！

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Can you stay behind after the others have gone and help me clear up?

你能不能等别人走后留下来帮我收拾收拾？

《牛津词典》

There should be someone to whom you can turn for any advice or to clear up any problems.

应该有你可以征求意见或为你解决问题的人。

《柯林斯英汉双解大词典》

And could you clear up for us what influence or encouragement your administration gave Australia as it made that decision?

WHITEHOUSE: President Obama��s News Conference with Prime Minister Gillard of Australia | The White House

If you are in this category, you should make sure you clear up the backlog relating to past years, otherwise there will be a tax-related penalty of up to 100% of any outstanding tax.

BBC: Get ready for tax return deadline on 31 October

Can you clear this up?

BBC: Take your politics too seriously