Translation of "quantum leap" - English-Mandarin Chinese dictionary

quantum leap

noun [ C usually singular ] uk /ˌkwɒn.təm ˈliːp/ us /ˌkwɑːn.t̬əm ˈliːp/

a great improvement or important development in something

飞跃,重大进展
The appointment of a female director is a quantum leap for women's equality. 任命一名女局长从男女平等方面来说是个大飞跃。

(Translation of “quantum leap” from the Cambridge English-Chinese (Simplified) Dictionary © Cambridge University Press)