o'clock

/əˈklɒk/ adv.
标准词条 CET-4
一句话记住

……点钟（用于整点）

释义与例句

adv. ……点钟（用于整点）
used after the numbers one to twelve to say exactly what hour it is
  1. The last train leaves at eleven o'clock.
    末班火车十一点钟发车。
  2. We have an appointment at two o'clock this afternoon.
    我们今天下午两点钟有个预约。
展开其余 1 条例句
  1. It was already six o'clock when she left the office.
    她离开办公室时已经六点钟了。

词源与构词

记忆钩子 o'clock 只用于整点，后面不加 minutes；7:30 应说 half past seven 或 seven thirty，不说 seven thirty o'clock。

词族与关联词

易混词（形近或义近，注意区别）
  • clock 时钟
    o'clock 是表示整点的副词，放在一至十二的数字后；clock 是名词，指计时或显示时间的钟。可以说 at eight o'clock，但不能用 clock 替换其中的 o'clock。
    The clock on the station wall is five minutes fast. 车站墙上的钟快了五分钟。
常见搭配
  • at seven o'clock 在七点钟
    The breakfast room opens at seven o'clock. 早餐室七点钟开放。
  • ten o'clock sharp 十点整
    The examination begins at ten o'clock sharp. 考试十点整开始。
  • twelve o'clock 十二点钟
    We need to check out by twelve o'clock. 我们需要在十二点前办理退房。