Using as + adjective + as in English;
As + adjective + as is used compare people, places, events or things, when there is no difference. It is used to compare things that are of similar proportion.
Samuel is as intelligent as Mark.
My father just as handsome as his son.
My hair is not quite as fair as my sister’s hair.
The weather this winter is as bad as last year.
He is as tall as his sister.
Mark is as optimistic as Samuel.