As a noun, meaning a narrow waterway connecting two larger bodies of water:
* The ship navigated the strait between the islands with great care.
* The strait was a major trade route for centuries.
As an adjective, meaning narrow or tight:
* The dancer had a strait corset that restricted her movement.
* He was in a strait financial situation after losing his job.
As an adjective, meaning strict or rigorous:
* The new regulations imposed strait rules on the industry.
* She was known for her strait moral compass.
In a phrase, meaning in a difficult or troublesome situation:
* The company is in a strait position, facing declining sales and rising costs.
* He found himself in a strait after losing his wallet.
Let me know if you'd like to see more examples!