Russian culture is very unique and interesting.

He doesn't know it not one bit.

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

Listening to his story, I deeply empathized.

He is harboring negative emotions.

He is an emotional person, so he gets angry quickly.

He installed a hidden camera in the room.

It was revealed that he had a hidden weapon.

He lied to conceal the truth.

She is planning a date with her current boyfriend.