undertook

/ˌʌn.dɚˈteɪk/

动词

（开始）做，承担，从事（尤指耗时或困难之事）
Students are required to undertake simple experiments.
要求学生们做些简单的实验。
承诺，允诺，答应
She undertook not to publish the names of the people involved.
她答应不公布有关人员的名字。