home straight
(亦作home stretch)
noun
1- the concluding stretch of a racecourse（跑马场）终点直道。
1.1
- figurative the last part of an activity or campaign〈喻〉（活动、运动的）最后部分：
heading down the home stretch to Tuesday's final.
向星期二的决赛做最后的冲刺。