from scratch

英 [frɒm skrætʃ] 美 [frʌm skrætʃ]

• 从零开始； 从头做起

英英释义

Adverb:

1. from the beginning, especially without relying on resources or other advantages;

   "he baked the torte from scratch"
   "she built her business up from scratch"
   

词汇搭配

• scratch from 从体育比赛中退出(...
• start from scratch 从头做起(从起跑线开...