precedent

US /ˈpres.ə.dent/
UK /ˈpres.ə.dent/
"precedent" picture
1.

先例, 前例

an earlier event or action that is regarded as an example or guide to be considered in subsequent similar circumstances

:
The judge's ruling set a new precedent for similar cases.
法官的裁决为类似案件树立了新的先例
This decision could set a dangerous precedent.
这项决定可能会开创一个危险的先例