labor over
collocation在……上辛苦劳作；费劲地做
He labored over every sentence of the book.
他逐句费力地写这本书。
辛勤工作；劳作
laboring — present participle of labor
先理解核心含义，再看它在真实句子里的用法。
辛勤工作；劳作
work hard
She labors in the fields every day from dawn to dusk.
她每天从早到晚在田里劳动。
努力工作
work hard
经历分娩的努力
undergo the efforts of childbirth
努力并尽力达到目标
strive and make an effort to reach a goal
labor
Base
原形
labors
3rd person
第三人称单数
laboring
-ing
现在分词
labored
Past
过去式
labored
Past participle
过去分词
She labors in the field every day.
她每天在田里劳动。
He labored all night to finish the project.
他整夜辛苦工作以完成项目。
They are laboring under difficult conditions.
他们在艰苦条件下劳动。
规则动词，注意过去式和过去分词加-ed。
He labored over his homework for hours last night.
他昨晚花了几个小时辛苦地做作业。
The team is laboring to finish the project before the deadline.
团队正在努力赶在截止日期前完成项目。
Choose the next layer that will help you use laboring with more confidence.
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Missing: Usage patterns
Complete this area with usage patterns.
Includes Common mistakes & Confusing words
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Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
在……上辛苦劳作；费劲地做
He labored over every sentence of the book.
他逐句费力地写这本书。
努力实现；为……而奋斗
They labored to achieve a peaceful settlement.
他们为实现和平解决而努力。
徒劳；白费力气
We labored in vain to change her mind.
我们白费力气想改变她的主意。
为……辛勤工作；为……而奋斗
She labored for the cause of education all her life.
她一生为教育事业辛勤工作。
怀有错误想法；误以为
Many people labor under the illusion that working longer hours means working harder.
许多人误以为工作时间更长就意味着更努力。
不必要地反复强调；过分纠缠于某个论点
I don't want to labor the point, but we really need to fix this bug before launch.
我不想反复唠叨，但我们在发布前确实需要修复这个漏洞。
在……上辛苦劳作；费尽心机做
She labored over the painting for weeks before she was satisfied.
她在这幅画上辛苦了好几周才满意。
凡劳苦担重担的人，可以到我这里来，我就使你们得安息。
When she is worn out from laboring over her studies, she recalls Jesus' invitation to find rest.
当她因努力学习而疲惫不堪时，她想起耶稣邀请人得到安息的这句话。
要努力使你胸中那点被称为良心的神圣火花保持燃烧。
As a young man, George Washington labored to follow this rule of civility every day.
年轻时，乔治·华盛顿每天努力遵循这条礼貌准则。
Use laboring naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想“累吧”：labor 表示辛劳工作，累到想喊“累吧”；分娩的用力过程同样是一场 labor。
语域：formal 常见场景：formal writing、news reporting、literary works labor 作动词时通常属于正式用语，多用于书面语、新闻报道或文学作品中，口语里更常说 work。它可表示“辛勤工作”、“努力争取”或“经历分娩”，具体含义需根据上下文判断。
及物动词表示详细分析或使厌烦；不及物动词表示劳动、努力等。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.