动词undertake的过去式
He undertook to defend this attitude. 他开始为这一态度辩护。
She undertook to discharge all the responsibilities of a Minister. 她承担了做部长的所有责任。
I undertook to indemnify them for expenses incurred on my behalf. 我负责偿还他们为我而用的全部花费。
He undertook to finish the job by Friday. 他答应星期五之前完成这项工作。
