old school
school one attended as a boy or girl (中小学的)母校. old school `tie (esp Brit)
1 tie worn by former pupils of a particular school (某中学的)校友领带.
2 (fig 比喻) symbol of excessive or sentimental loyalty to traditional values, ideas, etc (对传统价值观、 思想等极度忠诚的)守旧标志.
It has been estimated that the weight of all the insects destroyed by spiders in Britain in one year would be greater than the total weight of all the human beings in the country.