at the races in a position to compete successfully; in contention. informal
2011Daily Telegraph If you don't have a credible economic policy, you are simply not at the races.
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。