Only when this world bedside lights, my heart suddenly bright up!

当世界只剩下这床头灯，我心却突然明亮了起来！

youdao

He braked suddenly as a jackrabbit darted into the bright cones of light.

当一只长耳大野兔出现在车灯光圈里时，他突然刹了车。

《柯林斯英汉双解大词典》

It's such a pity if you start off on a bright tone on a story and suddenly realize you are talking about some people having been killed in a road crash.

如果你以欢快的嗓音开始播报新闻，但却突然意识到那是一篇致人死亡的交通事故的报道时，那就太遗憾了。

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But suddenly, a bright spot appeared on the television screen.

VOA: special.2009.07.22

Suddenly Eircom's prospects look extremely bright.

FORBES: The Irish way

"I was smoking outside the door when I looked up at the sky and suddenly the sky lit up with a bright light and something that looked like the sun fell somewhere to the south of Yekaterinburg, " wrote Sergei Bobunets, quoted by AFP news agency.

BBC: Russia meteor eyewitness: 'Something like the sun fell'

Christopher Ray, of the Headmasters' and Headmistresses' Conference, which represents independent school leaders, told BBC News the new system could potentially harm "students who only when they get their AS-level results in Year 12 realise how bright they are, who are perhaps in an underperforming school or college and who suddenly have the self-confidence to aim for the stars".

BBC: A-level plans may 'threaten uptake of tough subjects'