open sesame noun
Learner's definition of OPEN SESAME
[singular]
: something that allows a person or thing to do or enter something successfully and easily开门咒语；秘诀 ◊ Open sesame comes from the story Ali Baba and the Forty Thieves, in which Ali Baba uses the magical command “open sesame” to open the door of the thieves' cave.这一说法源于《阿里巴巴与四十大盗》的故事，阿里巴巴用“芝麻开门”作为咒语，打开了大盗的洞门。