keep one's nose to the grindstone

英 [kiːp wʌnz nəʊz tu ðə ˈɡraɪndstəʊn]

美 [kiːp wʌnz noʊz tu ðə ˈɡraɪndstoʊn]

网络  埋头苦干; 锲而不舍

英英释义

verb

• work doggedly or persistently
  1. She keeps plugging away at her dissertation
  Synonym:plug awaypeg awayslogkeep one's shoulder to the wheel