What would happen if one cannot answer the riddle of the Sphinx? 

如果不能解答斯芬克斯之谜，会发生什么事情？

On the day of Lantern Festival, people eat sweet dumplings made of glutinous rice flour, watch the lantern show and guess riddles.

人们在元宵节吃元宵，观灯盏，猜谜语。

As you try to solve a riddle, avoid jumping to conclusions.

试着猜谜语的时候，不要急于得出结论。

He never confides his secrets to a stranger. 

他从不向陌生人吐露自己的秘密。

My love for physics is a consequence of my passion to understand the physical world we live in and to reveal the secrets of nature. 

我渴望了解我们所居住的这个客观世界，并揭示大自然的奥秘。结果，我喜欢上了物理。

Archaeological discoveries unravel secrets and challenge our ideas of human history.

考古发现解开谜团，并质疑有关人类历史的观念。

Treasures unearthed from archaeological ruins may help unveil the mysteries of ancient civilization. 

从考古遗迹中发现的宝物可能有助于解开古代文明之谜。

Since Darwin shocked the world with his theories of evolution and natural selection, scientists and thinkers have continued to probe the mystery of life on earth.

达尔文以其进化和自然选择理论震惊世界。此后，科学家和思想家们继续探索地球上的生命奥秘。

The witness could shed light on the mystery of the deceased’s identity. 

目击者有助于揭开死者身份之谜。