n.

1. 會議，大會；全體與會者[C]
   The Republican national convention was held in Houston.

   共和黨全國代表大會在休斯頓舉行。

2. 召集，集合[U]
3. 公約，協定[C]
   The two countries are reported to have concluded a military convention.

   據報導，這兩個國家已締結軍事協定。

4. 慣例，習俗；常規[C][U]
   It is silly to be a slave to social conventions.

   對社會習俗盲從是愚蠢的。

5. （藝術上的）傳統手法[C]

n.

1. a way in which something is usually done.
   ▸socially acceptable behaviour.
2. an agreement between states, especially one less formal than a treaty.
3. a large meeting, especially of members of a political party or a profession.
   ▸N. Amer. an assembly of the delegates of a political party to select candidates for office.
   ▸a body set up by agreement to deal with a particular issue.
   ▸historical a meeting of Parliament without a summons from the sovereign.
4. Bridge  a bid or system of bidding by which the bidder tries to convey specific information about the hand to their partner.