run against

US /rʌn əˈɡɛnst/
UK /rʌn əˈɡɛnst/
"run against" picture
1.

竞选反对, 对阵

to compete against someone in an election or contest

:
She decided to run against the incumbent mayor in the next election.
她决定在下次选举中竞选反对现任市长。
Our team will run against the champions in the final.
我们的队伍将在决赛中对阵冠军。
2.

撞到, 碰撞

to hit or collide with something by running

:
The child accidentally ran against the wall.
孩子不小心撞到了墙。
Be careful not to run against the sharp edges.
小心不要撞到锋利的边缘。