come within an ace of (something/doing something)
to almost achieve something.
Linford Christie came within an ace of the world indoor record for the 100m last night.
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。