magic wand
noun [ C ] uk/ˌmædʒ.ɪk ˈwɒnd/ us/ˌmædʒ.ɪk ˈwɑːnd/
魔杖
a small stick used by people who perform tricks for entertainment
He waved his magic wand and a rabbit appeared. 他魔杖一挥，变出来一只兔子。
迅速而简单的解决办法
a quick and easy solution
She warned that she had no magic wand to solve the problem. 她告诫说她没有什么妙法来解决这个问题。