英语时间介词 in, on, at 详细用法指南（第二部分）

• At night — 指“夜晚”这个时间段：
  • I like reading at night. / 我喜欢晚上看书。
  • People usually sleep at night. / 人们通常晚上睡觉。
  • Owls hunt at night. / 猫头鹰晚上捕食。
  • It's quieter at night. / 晚上更安静。
  • He works at night as a security guard. / 他晚上做保安。
  • Many animals are active at night. / 很多动物晚上活动。
• In the night — 指夜里发生的某些具体（通常是突发）事件：
  • Something strange happened in the night. / 夜里发生了奇怪的事。
  • She woke up in the night because of a loud noise. / 她夜里被巨响吵醒。
  • There was a storm in the night. / 夜里有场暴风雨。
  • He heard footsteps in the night. / 他夜里听到脚步声。
  • The alarm rang in the night. / 夜里警报响了。
  • In the night, the temperature dropped suddenly. / 夜里温度骤降。

• At the weekend — 英式表达。
• On the weekend — 美式表达。
  • We’ll meet at the weekend.（英）/ We’ll meet on the weekend.（美）
  • What are you doing at the weekend?（英）/ What are you doing on the weekend?（美）
  • I usually relax at the weekend.（英）/ I usually relax on the weekend.（美）
  • They went hiking at the weekend.（英）/ They went hiking on the weekend.（美）
  • Do you work at the weekend?（英）/ Do you work on the weekend?（美）
  • Let's have a barbecue at the weekend.（英）/ Let's have a barbecue on the weekend.（美）

• On time — 按时、准点。
• In time — 及时、赶得上、略早于规定时间。
  • The train arrived on time. / 火车准时到达。
  • He arrived just in time. / 他刚好赶到。
  • I finished my homework on time. / 我按时完成作业。
  • She handed in her report on time. / 她按时交了报告。
  • We got to the airport in time for our flight. / 我们及时到了机场赶上了航班。
  • Will you be able to finish in time? / 你能及时完成吗？
  • The show started on time. / 演出准时开始。
  • They reached the station just in time. / 他们刚好赶到车站。

• in the morning/afternoon/evening — 在早上/下午/晚上
  • I go jogging in the morning. / 我早上去跑步。
  • They have lessons in the afternoon. / 他们下午上课。
  • We watch TV in the evening. / 我们晚上看电视。
  • She likes reading in the evening. / 她喜欢晚上读书。
  • Breakfast is served in the morning. / 早餐早上供应。
  • I usually study in the afternoon. / 我一般下午学习。
  • He goes for a walk in the evening. / 他晚上去散步。
• at night/noon/midnight — 在夜里/中午/午夜
  • The stars shine at night. / 星星在夜里闪耀。
  • Lunch is at noon. / 午饭是中午。
  • The party ended at midnight. / 派对在午夜结束。
  • She called me at midnight. / 她午夜给我打电话。
  • The store closes at night. / 商店晚上关门。
  • Let's meet at noon. / 咱们中午见。
  • I can't sleep at night. / 我晚上睡不着。
• on Monday morning — 星期一早上
  • The meeting is on Monday morning. / 会议在星期一早上。
  • I have a dentist appointment on Monday morning. / 我星期一早上看牙医。
  • She starts her new job on Monday morning. / 她星期一早上开始新工作。
  • We leave on Monday morning. / 我们星期一早上出发。
  • There is a test on Monday morning. / 星期一早上有考试。
  • He travels to London on Monday morning. / 他星期一早上去伦敦。
• at this moment/at present — 现在、此刻
  • I'm busy at this moment. / 我现在正忙。
  • At present, we are working on a new project. / 目前我们在做新项目。
  • She can't talk at this moment. / 她现在不能说话。
  • At present, the store is closed. / 目前商店关门。
  • He is not available at this moment. / 他现在联系不上。
  • At present, the company is expanding. / 现在公司正在扩展。
• in a minute/in an hour — 一会儿后/一小时后
  • I'll be there in a minute. / 我马上到。
  • The bus arrives in an hour. / 公交一小时后到。
  • She will call you in a minute. / 她马上给你打电话。
  • Dinner will be ready in an hour. / 一小时后晚饭就好。
  • They'll finish in a minute. / 他们马上就结束。
  • I'll see you in an hour. / 一小时后见。

💡 整句记短语，表达才地道！

• I’ll call you ___ the evening.
• The meeting is ___ Monday.
• My birthday is ___ July.
• The train leaves ___ 7 o’clock.
• She finished the project ___ time.
• We always travel ___ summer holidays.
• The movie starts ___ midnight.
• He was born ___ 2001.
• Breakfast is served ___ the morning.
• The test is ___ Friday.

• We’ll meet in Friday.
• He was born at 1998.
• See you on the night.
• The movie starts in 8 PM.
• The lesson is on the morning.
• I will call you in Monday.
• Our flight is on 6 o’clock.
• We have a meeting at July.
• She always studies in the evening at the weekend.（注意第二个介词是否要改）
• Let's meet at Sunday morning.

• 想象一条时间线：in 用于较长的时间段（如月、年、世纪、季节），on 对应具体的某天或日期，at 强调具体时刻（几点、时间点）。
• 把短语放进自己的例句，多写到笔记或手机里。
• 用联想法记忆：比如 in 像“在大时间段里”，on 像“在某一天表面上”，at 像“时间线上的一个点”。
• 多看英文影视、播客，体会地道用法。
• 跟同学或老师讨论例句，有问题及时纠正。
• 用卡片（flashcards）记忆短语，随时复习。

• Vocab App — 很适合用来练习时间介词和其它词汇，互动练习很方便。📱 用 Vocab App，单词记忆效率更高、更轻松。
• 推荐听 Vocab app podcast - Learn and Train English — 听听真实例句，扩充词汇量，提升听力理解。🎧 这个播客内容实用，听力和词汇同步提升。
• 试着用英语写日记，用这些介词标记事件，理论联系实际效果最好。

• in the evening
• on Monday
• in July
• at 7 o’clock
• in time
• in summer holidays
• at midnight
• in 2001
• in the morning
• on Friday

• We’ll meet on Friday.
• He was born in 1998.
• See you at night.
• The movie starts at 8 PM.
• The lesson is in the morning.
• I will call you on Monday.
• Our flight is at 6 o’clock.
• We have a meeting in July.
• She always studies in the evening at the weekend.（英式表达；美式用 on the weekend）
• Let's meet on Sunday morning.