Trang chủ/JLPT N1/Ngữ pháp/Noun + にして初めてNoun + にして初めてN1☆ Lưu vào danh sáchNghĩaonly at / not until one is (X) / for someone of X's levelCấu trúc (Formation)Noun + にして初めて + main clause.Độ trang trọngformal