convention

convention
noun

a way in which something is usually done, especially within a particular area or activity
（尤指特定地区或特别事件的）行为规则；惯例
the pictorial conventions of mass-media imagery.
大众传媒形象的绘画常规。
■[mass noun]behaviour that is considered acceptable or polite to most members of a society
社会习俗；得体行为
he was an upholder of convention and correct form.
他是个循规蹈矩的人。
[count noun]the law is felt to express social conventions.
此项法律被认为反映了社会习俗。
■(Bridge)a bid or system of bidding by which the bidder tries to convey specific information about the hand to their partner, as opposed to seeking to win the auction
(桥牌)叫牌（或打桥牌过程中向对方传递信息的方式）
an agreement between states covering particular matters, especially one less formal than a treaty
国际协议；公约
a large meeting or conference, especially of members of a political party or a particular profession
（尤指政党或专业人士举行的）大会；会议
the party held its biennial convention.
该党召开了两年一次的大会。
■(N. Amer.)an assembly of the delegates of a political party to select candidates for office
(北美)（决定候选人提名的）政党代表大会
■an organized meeting of enthusiasts for a television programme, film, or literary genre
（电视、电影或文学爱好者有组织的）集会
a Star Trek convention.
《星际旅行》影迷会。
■a body set up by agreement to deal with a particular issue
（根据协议成立处理特定事宜的）机构
■(historical)a meeting of Parliament without a summons from the sovereign
(史)（非君主召集的）国会会议

语源

late Middle English (in sense 3): via Old French from Latin conventio(n-) 'meeting, covenant', from the verb convenire (see convene). Sense 1 dates from the late 18th cent

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