Feeling troubled or concerned. To cause concern or trouble over something.

piece of bent wire or plastic used for holding several sheets of paper together.

mechanical apparatus. Powerful groups who control and organize things. To shape, work on something, using a device.

having or showing sensible and practical idea of what can be achieved or expected.

having ability to find quick and clever ways.

(of phone call) paid for by person receiving it. By asking the receiver of a call to pay for it. To gather things, people together in one place.

place where road branches off from another. To change the direction of something, e.g. a car.

person who is learning trade from skilled employer. employ someone as apprentice.

A thing of any kind.

person who introduces new methods or products. People who create new ideas or inventions.

generally assumed or believed to be case, but not necessarily. To imagine or guess what might happen.

for reason that.

To prevent someone from doing something. To prevent from happening in the future.

Used to add new (often different) information.

To believe, based on the evidence; suppose.