Как вы понимаете значения слов тщеславный, лицемерный

Young people in Russia very like clothing. They often visited fashion shop. People before 16 like confortable clothing: jeans, t-shirt, trainers. It's boys. Girls like beautiful dresses and shoes with long heel. But some girls look like how boys. Since 16 schoolboys want look how adult. Boys begin wear suit and shirt. Girls begin wear more comfortable clothing. But everyone from them look very well.