within

/wɪˈðɪn/ prep.
标准词条 CET-4
一句话记住

在……之内；不超过……

释义与例句

prep. 在……之内；不超过……
inside a particular area, period, distance or limit, and not going beyond it
  1. The spare part should arrive within three working days.
    备用零件应在三个工作日内送达。
  2. Several good restaurants are located within walking distance of the hotel.
    酒店步行范围内有几家不错的餐馆。
展开其余 1 条例句
  1. The team managed to complete the renovation within the original budget.
    该团队设法在原预算内完成了翻修。

词源与构词

记忆钩子 within 的核心是“不超出边界”：within two days 是两天内，within reach 是够得着，within budget 是不超预算。

词族与关联词

易混词（形近或义近，注意区别）
  • in 在……内；……以后
    within 强调不超过某段时间、距离或范围，较正式；in 表示时间时可指“……以后”，也可指“在……内”，具体含义依语境。within two hours 明确指两小时内，in two hours 常指两小时后。
    The doctor will see you in about twenty minutes. 医生大约二十分钟后会给你看病。
常见搭配
  • within walking distance 在步行范围内
    All the main attractions are within walking distance of the city centre. 所有主要景点都在市中心步行可达的范围内。
  • within reach 触手可及；在可达到的范围内
    Keep a bottle of water within reach during long meetings. 开长会时，把一瓶水放在伸手可及的地方。
  • within budget 在预算内
    We need a practical solution that can be delivered on time and within budget. 我们需要一个能按时且在预算内完成的实用方案。