I fear the path ahead may lead to unknown dangers.
My last visit to this city was many years ago, everything now seems unknown to me.
The identity of the mysterious caller remains unknown.
Some of the guests at the party were unknown to me, but I had a pleasant time mingling with them.
The treasure map led us to an unknown location in the forest where we dug up a small chest filled with gold coins.
I'm sorry, but the identity of the driver who hit your car is still unknown to us.
The story of the missing hiker has turned into a mysterious unknown case for the authorities.
The new restaurant in town is an unknown place for me to dine in, I have no idea what to expect.
The scientific community is still searching for answers to the unknown mysteries of the universe.
Reading books about unknown cultures and traditions is one of my favourite ways to learn and expand my knowledge.
The true intentions of the new employee are still unknown to us.
The outcome of the experiment was unknown until the results came in.
The identity of the mysterious caller remains unknown.
I feel uneasy around unknown foods.
The treasure was hidden in an unknown location.
Moving to a new city can be exciting, but the unknown can also be quite intimidating.
The team's strategy was to explore uncharted regions of the ocean, hoping to discover unknown species of marine life.
The quaint little bookstore in the corner had an extensive collection of unknown authors and rare titles.
Despite being a seasoned journalist, there are still many unknown aspects of the case that I'm investigating.
We're facing an unknown enemy in this pandemic, and we must take all necessary precautions to stay safe.
Driving on unfamiliar roads through an unknown neighborhood can be a daunting experience, even for experienced drivers.
The identity of the anonymous donor remains unknown, even after thorough investigation.
The cause of his sudden illness was initially unknown, but doctors were eventually able to determine the underlying condition.
The hiker ventured deep into the unknown wilderness, eager to explore the undiscovered natural beauty of the region.
Despite her extensive research, the author was unable to uncover any new information about the unknown artist.
The scientist's groundbreaking research led to the discovery of previously unknown properties of the element, opening up new possibilities for technological advancements.
The identity of the anonymous donor who made the generous contribution to the charity remains unknown, but their kindness is greatly appreciated.
The outcome of the negotiations with the foreign investors is still unknown, but we're hopeful for a positive result.
The origin of the mysterious artifact remains unknown, despite the best efforts of historians and archaeologists.
It's important to recognize the unknown factors and potential risks involved before making any major business decisions.