Hard; not easy; you need to work hard to do it.

by means of surgery.

relating to science or practice of medicine. A health check or test.

built with pieces of wood. To cover with long wooden strips of wood.

give nickname to.

Expected of you, but it didn't turn out that way. To imagine or guess what might happen.

register as member or student.

completely.

of no value. not at all. Item of little or no value, importance, interest. Not anything, not a single thing.

become fully aware of something as fact.

action or process of preparing.

To keep a promise; do what you say you would.

To present something to a group, as a speech.

The act of making music with your voice. To make musical sounds with your voice.

having been taught particular skill or type of behaviour. To teach a pet a behavior or a trick.