open sesame

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++ˌopen ˈsesame noun [singular] British English  SUCCEED IN DOING somethingan easy way to achieve something that is usually very difficult 开门咒，法宝，通行证open sesame to A university degree isn’t always an open sesame to a good job. 大学学位并非总是好工作的敲门砖。

Examples from the Corpus

open sesame• One aspect after another yields to the open sesame of the envy theory.open sesame to• He discovered that having wealth wasn't an open sesame to gaining respect.

ˌopen ˈsesame nounChineseSyllable  

to an something achieve easy is Corpus way that

open sesame
ˌopen ˈsesame noun [singular] British English
an easy way to achieve something that is usually very difficult
    open sesame to
    A university degree isn’t always an open sesame to a good job.

open sesameBrE /ˌəʊpən ˈsesəmi/ 🔊NAmE /ˌoʊpən ˈsesəmi/ 🔊 noun [singular] an easy way to gain or achieve sth that is usually very difficult to get 开门咒语；通行手段；通行证◆Academic success is not always an open sesame to a well-paid job. 在校成绩好并非总是获得高薪职位的敲门砖。🔊🔊 ORIGIN From the fairy tale Ali Baba and the Forty Thieves, in which the magic words open sesame had to be said to open the cave where the thieves kept their treasure. 源自童话故事《阿里巴巴和四十大盗》。只有念出咒语 “芝麻，开门”，大盗藏宝洞的大门才能打开。