clear sth up (PROBLEM) phrasal verb [M]
to give or find an explanation for something, or to deal with a problem or argument:
They never cleared up the mystery of the missing money.
After twenty years, the case has finally been cleared up.
noun [U] DISAPPROVING ━━ n. 狂信的愛国心, 盲目的排外思想; 自尊主義; 性差別主義（的態度）.
1 the strong and unreasonable belief that your own country or race is the best or most important:
The war stimulated an intense national chauvinism.
2 (ALSO male chauvinism) the belief that women are naturally less important, intelligent or able than men
noun [C] DISAPPROVING
She called him a (male) chauvinist because of his insistence on calling all women 'girls'.
adjective (ALSO chauvinistic) DISAPPROVING
The crowd was enthusiastically singing chauvinistic patriotic songs.
It is a deeply chauvinist community where the few women who have jobs are ridiculed.