Convention【n.】
1. a large meeting of a political party or other organization(政党或其他组织的)大会,集会
The Democratic National Convention will be held next month.
民主党全国代表大会将于下月举行。
She attended a teachers' convention in Chicago.
她参加了在芝加哥举行的一个教师大会。
2. a formal agreement between countries or groups of people(国家或团体间的)公约,协定
The Geneva Convention establishes standards for the treatment of prisoners of war.
《日内瓦公约》确立了对待战俘的标准。
3. a traditional or common way of behaving or doing something习俗,惯例
It's a convention to shake hands when you meet someone for the first time.
初次见面时握手是一种习俗。
*break with convention
to behave in a way that is different from what is usual or expected打破常规
She broke with convention by proposing to him instead of waiting for him to propose.
她打破常规,主动向他求婚而不是等待他求婚。
*by convention
according to what is generally done or accepted按照惯例
By convention, the eldest son inherits the family estate.
按照惯例,长子继承家族财产。

