He is a cat lover and plays with his cat every day.

My friend is a real dog lover, always talking about dogs.

I bumped into him head-on.

He has a spirit of fraternity.

I always have a spare key to my house in my bag.

Ripples, caused by the wind, were spreading on the surface of the pond.

I forgot the password for this computer.

They deepened their friendship through a skirmish.

His grief expressed deep sorrow.

He grieved deeply over his father's death.