vt.

1. 决定；决意[+wh-][+to-v][+（that）]
   They decided that John must stay there.

   他们决定约翰必须留在那里。

   She decided to live in London.

   她决定住在伦敦。

2. 使下决心；使决断[O2]
   What was it that finally decided you to give up your plan?

   是什么最后使你决定放弃你的计划的？

3. 解决；裁决；判决
   The matter has been decided.

   这件事已解决。

vi.

1. 决定[（+on/for/against）]
   It's difficult to decide between the two candidates.

   在这两个候选人中作出选择是困难的。

   As to where to go, they haven't decided yet.

   至于去哪里，他们还没有决定。

v.