Can you please tell me if the following sentences are possible? Thank you very much.

1) A trochee consists of a stressed syllable followed by an unstressed one.
A trochee consists in a stress-unstress pattern.
2) The mirror is described as being unprejudiced.
3)t can also be cruel because, unlike the moon and the stars, it reflects the process of aging (better: the aging process) and shows what a person really is (what a person is really like?).
4) The poet personifies the wind as a tired man, that as a host knock on the poetess's door and asks her to enter her house.
5) Being invisible and not provided with bones or feet, it is unuseful (better useless/ there is no point in/it's no use offering the wind a chair) to offer the wind a chair.
6) An eupehmism is a word that substitutes another which is considered offensive.

3) It can also be cruel because, unlike the moon and the stars, it reflects the aging process and shows what a person is really like.

4) The poet personifies the wind as a tired man, that as a host knock on the poetess's door and asks her to enter her house. I don't understand what you mean from the word "that" onward.

I don't understand #5 either.

#6 - A euphemism (not An)-- "that substitutes for another word..."