かんぱつをいれず・かんはつをいれず

間髪を入れず

表記・読み：間髪をいれず・間髪を容れず・間、髪を入れず・かんぱつをいれず・かんはつをいれず

1. 1

   immediately; instantly; with nary a pause; without a moment's delay

   expressions (phrases, clauses, etc.)副詞orig. read as 間（かん）、髪（はつ）をいれず