小巫见大巫（小巫見大巫）　

◎ 小巫见大巫 xiǎowū jiàn dàwū

[like a small sorcerer in the presence of a great one——feel dwarfed;pale into insignificance by comparison;the moon is not seen where the sun shines] 小巫师见了大巫师,法术就施展不开了。比喻两者之间高下悬殊,差距太大,不能比拟

今景兴在此,足下与 子布在彼,所谓小巫见大巫,神气尽矣。—— 汉· 陈琳《答张紘书》