A: Mind if I borrow your economics notes for a while?
B: Not at all. You didn't take any notes today?
A: No, I was too sleepy to take any.
B: I am sure you watched the World Cup final at 2 o'clock a.m.
A: Yeah, it is wonderful.
E.g. I' m not at all satisfied with the present situation.
E.g. "It is very likely I shall never marry at all," answered Sophia.
E.g. He is not concerned with the difficulties of the factory at all.
E.g. He was not at all nervous, for he knew what to expect.
for a while：一会儿
E.g. He had to lie down for a while to rest his legs.
E.g. For a while the sisters could not look into each other's faces.
E.g. Please take notes of the lecture.
E.g. She took out her notebook and began to take notes.