at one blow

例句：

1. 1.They achieved their goal at one blow.
   他们一蹴而就地实现了目标。
2. 2. The team won the championship at one blow.
   该队一蹴而就赢得了冠军。
3. 3. The project was completed at one blow.
   该项目一蹴而就地完成了。