an agreement between two people to get married or the duration of this agreement

订婚, 未婚
the day that comes first in the calendar year and is a public holiday in most countries

元旦, 新年第一天
the day on which mothers are appreciated and often receive gifts from their children

母亲节, 妈妈节
a day on which two people celebrate their love toward each other and often buy gifts for one another
October 31st, a holiday where people dress in costumes, carve pumpkins, and children go door-to-door asking for candy

万圣节, 鬼节
something special, important, and known that takes place at a particular time or place such as a festival or Valentin's Day

事件, 活动
a gathering or event where people come together to honor someone or something, often with food, music, and dancing

庆祝活动, 庆典
a long piece of cloth with a design or message, which is hung in public places, typically used to represent something at events

横幅, 标语
