vt.

1. 試圖；著手做；進行，從事
   We undertook a trip to the west.

   我們到西部作了一次旅行。

2. 承擔，接受
   The work was undertaken by members of the committee.

   此項工作由委員會成員承擔。

3. 同意；答應；保證[Y][+to-v][+（that）]
   I can not undertake that you will make a profit.

   我不能擔保你會獲利。

v.

1. commit oneself to and begin (an enterprise or responsibility); take on.
2. formally guarantee, pledge, or promise.