1
unpaid + noun
名词通常指账单、费用、假期等。
She received an unpaid bill from the hospital.
她收到了医院的一张未付账单。
未支付的；未缴纳的
先理解核心含义，再看它在真实句子里的用法。
未支付的；未缴纳的
not paid for
She received an unpaid bill from the hospital.
她收到了医院的一张未付账单。
未支付的；未付清的。
Not paid for.
(指工作)无约定报酬的；通常为自愿的。
Of work: done without agreed payment, usually voluntarily.
The unpaid rent for March was overdue, so the landlord sent a reminder.
三月份那份未付的房租逾期了，于是房东发来了一封催缴通知。
After years of disputes, the fine remained unpaid.
经过多年的纠纷，这笔罚款依然没有缴纳。
She checked the unpaid balance before closing her account.
她在销户前查看了未付余额。
名词通常指账单、费用、假期等。
She received an unpaid bill from the hospital.
她收到了医院的一张未付账单。
描述某事未支付或不支薪。
His overtime work was unpaid.
他的加班工作没有报酬。
强调持续未付状态。
Despite reminders, the invoice remained unpaid.
尽管有催款通知，发票仍未支付。
Not this
I unpaid the bill yesterday.
Use this
I didn't pay the bill yesterday.
unpaid是形容词，不能用作动词；表示'未付款'的动作应使用动词短语'did not pay'。
Not this
The work unpaid is very tiring.
Use this
The unpaid work is very tiring.
英语中形容词通常放在名词前作定语，'unpaid'应置于'work'之前。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
无薪休假
She took unpaid leave to care for her sick mother.
她请了无薪假来照顾生病的母亲。
无偿工作
Many interns do unpaid work to gain experience.
许多实习生做无偿工作来获取经验。
未付账单
He received a reminder for an unpaid bill.
他收到了一份关于未付账单的提醒。
未付债务
The company struggled with unpaid debts.
这家公司苦于未付债务。
无薪实习
She completed an unpaid internship at a law firm.
她在一家律师事务所完成了无薪实习。
无偿加班
Employees complained about unpaid overtime.
员工抱怨无偿加班。
Use unpaid naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
un（不）+paid（支付）=未付款的。记：账单 unpaid，钱还没付。
多用于描述未支付的款项（如账单、债务）或未付薪水的职位（如实习生）。在正式和非正式语境中均常见，但更偏正式。
通常作定语或表语，不用于比较级。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.