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TOEFL IELTS BNC: 1604 COCA: 4035

undertake

Word family
un·der·take /ˌʌndəˈteɪk $ -dər-/ ●●○ W3 AWL verb (past tensepst undertook /-ˈtʊk/, past participlepp undertaken /-ˈteɪkən/) [transitiveT] formal  
1 PROMISEto accept that you are responsible for a piece of work, and start to do it 承担;着手做〔某事〕
undertake a task/a project/research/a study etc
 Dr Johnson undertook the task of writing a comprehensive English dictionary.
约翰逊博士担负起编写一本综合性英语词典的工作。
2 undertake to do something formal to promise or agree to do something 承诺做某事,答应做某事
 He undertook to pay the money back in six months.
他保证在六个月之内还钱。
see thesaurus at promise undertake
Examples from the Corpus
nCOLLOCATIONS
nouns
undertake a task/project
Every task he undertook was tackled with great determination.
undertake work
The work is being undertaken by team of experts.
undertake research/a study
Students may undertake full-time supervised research leading to the award of a Ph.D.
undertake a review/analysis
The Court of Appeal decided to undertake a review of the Law.
undertake a journey/voyage
You should not undertake a long journey if you are unwell.
undertake duties (=do things as part of your job)
I’m rarely asked to undertake teaching duties these days.
phrases
something is not to be undertaken lightly (=not to be started without serious thought, for example because it is difficult)
It was not a voyage to be undertaken lightly.
→ See Verb table
Examples from the Corpus
From Longman Business Dictionary
undertakeun·der·take /ˌʌndəˈteɪk-ər-/ verb (past tensepst undertook /-ˈtʊk/, past participlepp undertaken /-ˈteɪkən/) [transitiveT]
1to accept that you are responsible for a piece of work and start to do it
His first task was to undertake a major reorganization of production methods.
2undertake to do something to promise or agree to do something
The ferry operators undertook not to reduce services or increase fares.
→ See Verb table
un·der·take verbn COLLOCATIONS1
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