He is acting in a way that is like 'hide the head but forget the tail'.

He is writing a sentence using traditional characters.

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.

He set out on a journey of soul-searching.