循序渐进（循序漸進）　

◎ 循序渐进 xúnxù-jiànjìn

[follow in order and advance step by step;advance gradually in due order;follow in proper sequence and make steady progress] 按一定的顺序、步骤逐渐进步

但知下学而自然上达,此但自言其反己自修,循序渐进耳。——宋· 朱熹《四书集注》