He was caught by the secret police.

He believes that there is a secret base on that island.

He is rumored to be a member of a secret society.

He lied to conceal the truth.

It was revealed that he had a hidden weapon.

He installed a hidden camera in the room.

It's important to believe in yourself.

She uploaded a selfie to Instagram.

She took a selfie and uploaded the photo to social media.

He likes talking about himself and often talks about his experiences and thoughts.