word group forming conceptual unit. Sets of words used together. To choose words to say what you mean clearly.

Teaching others how to do (sport, job). To teach others how to do something (e.g. sport).

act of upgrading something. To improve something in terms of quality.

Used to add new (often different) information.

having paid employment. action of doing work. To do your job in your company or workplace.

To say the sounds of words in a correct way.

Only at certain times; occasionally.

From one end or side of something to the other. expressing movement into one side and out of other side of opening etc.. Over, in, across an entire thing or place.

Act of traveling from one place to another; trip. travel somewhere.

having acquired much knowledge through study. To get knowledge or skills by study or experience.

likely or prone to be affected by. conditionally upon. People who take part in experiments or tests. To cause to suffer or experience something.

For a reason.

Done by or to a particular person; individual. advertisement in personal column of newspaper.

To try very hard to do something difficult.

The position of the body when standing or sitting. try to impress or mislead.