open sesame a marvellous or irresistible means of achieving access to what would normally be inaccessible.
☞ In the tale of Ali Baba and the Forty Thieves in the Arabian Nights, the door of the robbers' cave was made to open by uttering this magic formula.
英语词组固定搭配大全包含15956条英汉双解词组，基本涵盖了全部常用英文词组、短语的翻译及用法，是英语学习的有利工具。