I puzzled over the problem for ages before the light suddenly dawned.

我对这个问题冥思苦想了很久才豁然开朗。

《牛津词典》

One type of external evidence that may shed light on the transmission of Roman texts is the availability of a work in the Middle Ages, when many classical texts were circulated.

当许多经典文本都在流传时，一种可能有助于罗马文本传播的外部证据是中世纪的一部作品。

youdao

According to a study, about 95% of the people between the ages of 13 and 64 use electronics before bed, especially the young people. Doctors say that the light from those electronics at night may make you excited before you go to bed.

一项研究表明，年龄13至64岁的人群中，约有95%在睡前使用电子产品，特别是年轻人。医生称，电子产品在夜间发出的光可能会让人在睡前感到兴奋。

youdao

In his view, companies that survive throughout the ages are those that are prepared to light a fire under the status quo.

FORBES: Opinions

About 200 people of all ages came together for the service and worshippers were able to light candles and say private prayers.

BBC: Police 'very close' to finding missing Sian O'Callaghan

Since the changes the body goes through in zero G are so similar to the ones it goes through as it ages, studying a weightless senior citizen is supposed to shed light on both processes.

CNN: Victory Lap