If there is a precedent for an action or event, it has happened before, and this can be regarded as an argument for doing it again. 先例
noun [抽象名词] 先例，前例；判例，实例；常规，惯例
The trial could set an important precedent for dealing with similar cases. 这次审判能为处理类似案件开创一个重要先例。
adjective [原级] 在先的，前面的
The ruling set a precedent for future libel cases. 这项裁决为今后的诽谤案提供了判例。
pre(在…前面) + ced(走， 前进) + ent → 走在前面的 → 先例； 惯例
- 网友用 “Precedent” 造句精选
- They were determined to break from precedent. 他们决心打破先例。