a two/three/four etc horse racea competition or an election that only two etc competitors can win 只有两个/三个/四个队[候选人]等有获胜机会的比赛[竞选]a two/three/four etc horse race• The women's competition was a two horse race between last year's winners Surrey and previous champions Essex.
→ a two/three/four etc horse race at horse1(4)