slave away at/over sth
slave away 表示长时间辛苦工作，常与 at 或 over 连用，强调投入大量精力。
She slaved away at her thesis all weekend.
她整个周末都在拼命写论文。
苦干；拼命工作
slaves — third person singular of slave
使（设备）受另一设备控制；作从设备；从事奴隶贩卖；奴役他人；从事奴隶贩卖,奴役他人；努力工作；将设备置于另一设备的控制之下
to work very hard
从事奴隶贩卖,奴役他人
To work as a slaver, to enslave people.
努力工作
To work hard.
将设备置于另一设备的控制之下
To place a device under the control of another.
一般现在时
She slaves away at her desk every day.
她每天在书桌前拼命工作。
一般过去时
He slaved for years to build his business.
他为创办自己的企业辛苦工作了好多年。
现在完成时
They have slaved all week to finish the project.
他们已经为完成这个项目辛苦了一整周。
规则动词：过去式和过去分词均为 slaved，现在分词为 slaving。
She slaved away for months to pay off her debts.
她苦干了几个月来还清债务。
用法提示：slave 作动词，意为“拼命工作、苦干”，此处用过去式 slaved。
We slaved over the report all weekend, and finally it was ready.
我们整个周末都在埋头赶报告，终于完成了。
用法提示：slave over 表示“在……上辛苦工作”，slaved 为过去式。
He has been slaving away in the kitchen to prepare dinner for everyone.
他一直在厨房里辛苦忙碌，为大家准备晚餐。
用法提示：slaving away 是动词 slave 的现在分词形式，强调持续辛苦工作。
slave away 表示长时间辛苦工作，常与 at 或 over 连用，强调投入大量精力。
She slaved away at her thesis all weekend.
她整个周末都在拼命写论文。
slave for 表示为某人拼命干活，含辛苦、回报少的意味。
They slaved for years for a boss who never appreciated them.
他们为一位从不赏识他们的老板辛苦工作多年。
技术语境中，be slaved to 表示一台设备受另一台设备控制。
The printer is slaved to the main computer.
这台打印机受主计算机控制。
grammar · medium
易错句子He slave all day.
正确表达He slaves all day.
主语是第三人称单数 he，一般现在时动词要加 -s，所以用 slaves；slave 是原形，不能直接跟在 he 后面。
grammar · medium
易错句子Yesterday he slave all day.
正确表达Yesterday he slaved all day.
时间状语 yesterday 要求一般过去时，动词用过去式 slaved；slave 是原形，不能表示过去。
grammar · medium
易错句子You can slave the printer with the computer.
正确表达You can slave the printer to the computer.
slave 表示“使（设备）受另一设备控制”时，用 slave A to B 结构，介词 to 引出控制方；with 不能表达这种从属关系。
拼命工作；苦干
She slaved away all weekend to finish the report.
她整个周末都在拼命工作以完成报告。
为…辛苦操劳
He slaved over a hot stove for hours.
他在热炉灶前辛苦工作了好几个小时。
为…卖命工作
They slaved for years to build their own business.
他们为了创办自己的企业辛苦工作了多年。
使…从属于；使…受控制
The second monitor is slaved to the primary display.
第二台显示器被设置为主要显示器的从设备。
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