迷之自信

mízhīzìxìn
  1. (slang, neologism) inexplicably self-confident
  2. inexplicably self-confident

Wiktionary

Entry Composition

1 迷之 mízhī variant of 谜之 mízhī
2 自信 zìxìn
  1. to have confidence in oneself
  2. self-confidence