删繁就简 shānfán-jiùjiǎn[simplify sth
by cutting out the superfluous;simplify the complicated material;reduce to bare essentials] 删去繁杂的,使文字简明
《魏书·范绍传》:“绍量功节用,甄繁就简,凡有赐给,千匹以上,皆别覆奏,然后出之。”