American & Australian, informal
to be certain to happen or to succeed.
It's a sure thing she'll buy the most expensive jacket in the store.
His re-election is hardly a sure thing.
英语词组固定搭配大全包含18674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。