面面俱到　

◎ 面面俱到 miànmiàn-jùdào

[attend to each and every aspect of a matter;be attentive in every way] 方方面面全能顾及到。比喻办事周详或过于泛泛反而抓不住要害

但是据你刚才所说,究不能够面面俱到,总得斟酌一个两全的法子才好。——《官场现形记》