That woman that looks at herself in the mirror for long minutes is very vain. Vain means excessively proud of one's appearence so when someone spends too much time in a mirror, they are considered vain. I have seen this in my daily life because so many women and men spend too much time in front of a mirror just looking at themeselves not even fixing up.
Syllables and stress are two of the main areas of spoken language. Pronouncing words with the stress on the correct syllables will help you improve your spoken English, make your sentences easier to understand and help you sound more like a native speaker.
English syllables are stress-timed. English is classed as a ‘stress-based’ language, which means the meanings of words can be altered significantly by a change in stress. This is why it is important to learn how to use word stress in English and develop an understanding of sentence stress and English stress patterns.
The first sentence. When you're talking about more than one elf it is elves not elfs.
