改新

(1)restore to a previous or better condition; "They renovated the ceiling of the Sistine Chapel"

(2)前であるかより良い状態に戻す

(3)improve by alteration or correction of errors or defects and put into a better condition; "reform the health system in this country"

(4)誤りまたは欠陥の変更か修正により改善し、より良い状態にする

(1)