C1 formal to do or begin to do something, especially something that will take a long time or be difficult(开始)做,承担,从事(尤指耗时或困难之事)
More examples
The bill requires owners to undertake remedial work on dilapidated buildings.
This is one of the largest aid projects ever undertaken.
Successful candidates will be required to undertake an induction programme.
I'm just beginning to realize the enormity of what I have undertaken.
The agency undertook the survey in January 2004.
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