a shot (or stab) in the dark an act whose outcome cannot be foreseen; a mere guess.
☞ The metaphorical use of in the dark to mean 'in a state of ignorance' dates from the late 17th century.
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。