I must point out that we need to clarify the meaning of this over-used concept.

He felt ill at ease among prominent scholars.

After a long wait in line, she was told she should get a certified copy of her birth certificate as identification.

He was confident of his antibodies.

If you frequently spit-up blood you should call an ambulance or have a nearby physician make a house call.

We merged our resources

Here the camera intervenes with the resources of its lowerings and liftings, its interruptions and isolations, its extensions and accelerations, its enlargements and reductions.

As I am not good at math, I hope my parents will allow me to have a private tutor.

a cloudy and confounded philosopher

temporal matters of but fleeting moment- F.D.Roosevelt