Having suitable abilities earned through study. To add conditions to limit what you said.

Act of getting knowledge. To get knowledge or skills by study or experience.

Sent by a fast mail service. Fast train or bus. To send something by fast mail.

either of pair of people engaged together in same activity. To join with others for work or other activity.

the principal method of human communication, consisting of words used in a structured and conventional way and conveyed by speech, writing, or gesture.

In a way that shows you expect to have no problems.

True or accurate. To punish in order to improve.

person's regular occupation etc..

time or set of circumstances that makes it possible to do something. Times, situations when a thing might be done; chances.

Acting/done properly as a qualified person would. One who plays a sport or similar activity as a job.

Helped to succeed/happen by being given money. To support the passage of a new law.

Speaking in a casual way.

affecting or concerning most people or things. Top ranked officer in the army.

Not of the same kind; unlike other things.

For a reason.