Compound adjectives describing character

strong-willed: people are determined to behave in a particular way, even if other people disagree with them.
self-conscious: shy people and easy to embarasse because thy think that everybody is looking at them and judging them.
laid-back: people are relaxed and appear not to be worried about anything.
open-minded: people are happy to accept ideas and ways of life from other people.
self-centred: people are only intherested in theirselves
narrow-minded: people don't want to accept new ideas or opinions.
easy-going: people aren't easily upset, worried or annoyed by problems or other people action's.
big-headed: people think they are more important or cleverer than they are really are.
bad-temperated: people are often annoyed, angry or impatient.
level-headed: people are calm and able to make sensible decisions in difficult situations.
self-assured: people have confidence in their own abilities.

This type of vocabulary is useful for describe people as well (like last article).
I should say if somebody try to transalte directly this words in their language will never find the exacly meaning. So you have to understand this adjectives trying to recognise the meaning by a simply english explanations, with easy words.
Additionally I reckon the use of these words is not frequent every day. Although sometimes this vocabulary, can appear in a normal conversation talking about people. The objective then is try to keep using this words as many times as possible.