Meaning: This idiom is used to express optimism or hope in difficult or challenging situations, particularly when there is the prospect of improvement or relief in the near future. It implies perceiving a positive outcome or resolution after enduring hardships or adversity.

Usage in Example Sentences:

1. “After months of struggling financially, they finally see the light at the end of the tunnel with a new job offer.”
2. “Despite the setbacks, she remains optimistic and believes she’ll see the light at the end of the tunnel eventually.”
3. “The project has been difficult, but with the deadline approaching, we can finally see the light at the end of the tunnel.”

Origin: The origin of the idiom “see the light at the end of the tunnel” is literal, referring to the experience of seeing actual light at the end of a long tunnel, which signifies the end of a journey or ordeal. The phrase gained figurative usage in the mid-20th century to describe the feeling of hope or optimism when facing challenges or difficulties. It emphasizes the belief that, despite current hardships, there is a brighter future ahead.