1
on the weekend
美式英语常用；英式英语常用“at the weekend”。
I like to relax on the weekend.
我喜欢在周末放松。
周末
先理解核心含义，再看它在真实句子里的用法。
周末
the period usually from Friday night through Sunday; Saturday and Sunday
I like to relax on the weekend.
我喜欢在周末放松。
工作周中的休息日,通常包括传统圣日或安息日,在西方国家为星期六和星期日。
The break in the working week, usually two days including the traditional holy or sabbath day. Thus in Western countries, Saturday and Sunday.
周末；通常指从周五晚到周日的时间段,或泛指包含且仅包含一个周日的连续几天
a time period usually extending from Friday night through Sunday; more loosely defined as any period of successive days including one and only one Sunday
We are planning to go hiking this weekend if the weather is nice.
如果天气好的话，我们计划这个周末去远足。
She usually visits her grandparents on the weekend.
她通常在周末去看望祖父母。
I spent the whole weekend cleaning my apartment.
我花了整个周末打扫我的公寓。
美式英语常用；英式英语常用“at the weekend”。
I like to relax on the weekend.
我喜欢在周末放松。
I'll finish the report over the weekend.
我会在周末完成报告。
用作时间状语，无需介词。
What did you do this weekend?
你这个周末做了什么？
Not this
I will go to Shanghai in this weekend.
Use this
I will go to Shanghai this weekend.
错误：使用“in this weekend”。英语中，像“this weekend”这样的时间状语前不需要介词；“in”用于较长的时间段。正确：直接说“this weekend”作为时间状语。
Not this
I like to relax in weekend.
Use this
I like to relax on weekends.
错误：使用“in weekend”。表示“在周末”应用介词“on”，且通常用复数“weekends”或“the weekend”。“in”用于月份、年份等较长时段。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
在周末
I usually relax on the weekend.
我通常在周末放松。
周末短途旅行
We planned a weekend getaway to the mountains.
我们计划了一次去山里的周末短途旅行。
长周末
We have a long weekend due to the holiday.
由于假期，我们有一个长周末。
周末计划
What are your weekend plans?
你的周末计划是什么？
周末愉快
Have a good weekend!
周末愉快！
度周末
I want to spend the weekend at the beach.
我想在海滩度周末。
长周末
We're planning a trip to the beach for the long weekend.
我们计划长周末去海边旅行。
周末战士（指只在周末进行某项活动的人）
He's a weekend warrior who plays basketball every Saturday.
他是个周末战士，每个星期六都打篮球。
风流周末（指情侣外出幽会的周末）
They went to Paris for a dirty weekend.
他们去巴黎度过了一个风流周末。
《周末在伯尼家》
They watched the movie 'Weekend at Bernie's'.
他们看了电影《周末在伯尼家》。
《周末更新》
I always watch Weekend Update on Saturday Night Live.
我总是在周六夜现场看《周末更新》。
发长 /iː/ 音 (如 see, free)
Use weekend naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
将 week（周）和 end（末尾）组合就是周末。
neutral; contexts: planning, social events, leisure time; note_zh: 通常用于日常对话，中性很常见
Words ending with '-end' pronounced /ɛnd/ include bend, lend, send, tend, spend, and friend. However, note that 'fiend' ends with '-end' but is pronounced /fiːnd/ (long e sound), so it does not rhyme.
Dictionary facts from ECDICT, WIKTIONARY.