1. 'A while', 'it took a while'. These phrases are commonly
used in the same way as 'some time'. It's very non-specific, and good usage.
a. It'll take you a while to get used to those high heels.
b. It took me a while to learn French, several years actually.
c. He has been going to the gym for a while, ten years I think!
2. 'To sample' is to have a little bit of a larger item, often food. However, it can also be non-edible items like perfume, detergent, creams. The verb and noun are also used in science, when tiny pieces of substances are taken to be examined.
a. I sampled some unusual cheeses in the deli.
b. The sunscreen company sent me a sample in the mail.
c. The biologists took samples of the pond water and later examined them in the laboratory.
3. The use of 'actually'. It's a fabulous and common word. Here it's used as emphasis. We do this by putting it in front of the verb.
a. I couldn't believe that the two-year-old actually read the novel!
b. Everyone thought they would lose, but they actually won the race.
c. His friends were supposed to help him, but he actually did all the work himself.