needing much effort or skill to accomplish, deal with, or understand.

of satisfactory or acceptable quality. in satisfactory manner or to satisfactory extent. expressing or asking for assent or acceptance.

Occasion when something can be seen, e.g. a movie. To explain or teach how something is done.

way of carrying out particular task. Ways of doing by using special knowledge or skill.

very enthusiastic and eager. To make someone feel happy, interested or eager.

assembled or made from whatever is available, and so unlikely to be of highest quality. A small cut or mark on a surface. score or mark surface of something with sharp or pointed object.

All of the things mentioned.

Used to add new (often different) information.

Being what was wanted or needed. used to greet someone in polite or friendly way. Friendly greeting to someone who has arrived. To greet someone who has just arrived.

null. television or radio advertisement.

(Math) the total from multiplying two numbers.

Imaginary standard by which things are compared.

outside. without it being case that. Not with; not having.

series of actions towards achieving something. Sets of changes that occur slowly and naturally. To deal with official forms in the way required.

more distant in space. A greater distance; at a more distant point. (Used to introduce an additional point); also. To help to happen or develop; promote.