動詞 undertake:

1. enter upon an activity or enterprise
   同義詞：undertake, set about, attempt
2. accept as a challenge
   同義詞：undertake, tackle, take on
3. promise to do or accomplish
   同義詞：undertake, guarantee
4. enter into a contractual arrangement
   同義詞：contract, undertake
5. accept as a charge
   同義詞：undertake, take in charge

1. He undertook to defend this attitude.
   他開始為這一態(tài)度辯護。
2. She undertook to discharge all the responsibilities of a Minister.
   她承擔了做部長的所有責任。
3. I undertook to indemnify them for expenses incurred on my behalf.
   我負責償還他們?yōu)槲叶玫娜炕ㄙM。
4. He undertook to finish the job by Friday.
   他答應星期五之前完成這項工作。