n.

1. 事業；企業；工作[C][S1]
   It seemed an endless undertaking.

   那件事辦起來像沒個完似的。

   charitable undertakings

   慈善事業

   It is best to consider all this before entering upon such an undertaking.

   最好在開始這項工作前好好權衡這一切。

2. 保證；許諾[C][+to-v][+that]
   give an undertaking not to take sides

   保證不偏袒任何一方

3. 喪葬事宜；殯儀業[U]

1. undertake的動詞現在分詞、動名詞

n.

1. a formal pledge or promise.
2. a task that is taken on.
3. a company or business.
4. the business of managing funerals.