ADJ-GRADED [ADJ n](比赛等)势均力敌的，难分高下的 If you describe something such as a race or contest as a close-run thing, you mean that it was only won by a very small amount. (比赛等)势均力敌的，难分高下的
It was a close run thing before Spain beat Poland 3-2.
比赛难分高下，最终西班牙以3比2击败波兰。
In such a close-run race as this election, the campaign becomes all important.