1
undertake sth
常接任务、项目等名词。
She will undertake the project.
她将承担这个项目。
从事；着手；承担
先理解核心含义，再看它在真实句子里的用法。
从事；着手；承担
to begin or take on a task, project, or responsibility
She will undertake the project.
她将承担这个项目。
常接表示工作、任务或责任的名词
承担；开始(某项任务等)
To take upon oneself; to start, to embark on (a specific task etc.).
承诺(某项义务、活动等)
To commit oneself (to an obligation, activity etc.).
undertake
Base
原形
undertakes
3rd person
第三人称单数
undertaking
-ing
现在分词
undertook
Past
过去式
undertaken
Past participle
过去分词
He undertakes the task.
他承担这项任务。
She decided to undertake a full review of the company's safety procedures.
她决定对公司的安全规程进行全面审查。
The research team undertook a survey of more than two thousand residents.
研究团队对两千多名居民进行了一项调查。
He is willing to undertake the task of organizing the conference.
他愿意承担组织这次会议的任务。
常接任务、项目等名词。
She will undertake the project.
她将承担这个项目。
正式用法，表示承诺做某事。
He undertook to finish the report by Friday.
他承诺在周五前完成报告。
此结构中 that 从句需用陈述语气。
The company undertakes that the product is safe.
公司保证产品是安全的。
Not this
I want to undertake a break.
Use this
I want to take a break.
动词'undertake'表示'承担、从事'，而非'进行短暂休息'；'take a break'是固定搭配。
Not this
She undertook doing the research.
Use this
She undertook to do the research.
'undertake'后通常接不定式（to do）或名词，而不是动名词（doing）。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
承担一个项目
The company will undertake a new project next month.
公司下个月将承担一个新项目。
承担一项任务
She undertook the task of organizing the event.
她承担了组织这次活动的任务。
进行调查
The police undertook an investigation into the incident.
警方对该事件进行了调查。
开始一段旅程
They undertook a long journey across the desert.
他们开始了一段穿越沙漠的长途旅行。
承担责任
He undertook full responsibility for the mistake.
他对这个错误承担了全部责任。
承诺做某事
The contractor undertook to complete the work by Friday.
承包商承诺在周五前完成工作。
Use undertake naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
under（在…下）+ take（拿）→ 在下面拿住任务 → 承担、从事。
承担，从事; 承诺，保证
Words ending in -take (take, mistake, overtake, partake, retake) rhyme perfectly with undertake (stressed on -take, /teɪk/). 'Shake' shares the spelling pattern -ake but is pronounced /ʃeɪk/, not a rhyme.
Dictionary facts from ECDICT, WIKTIONARY.