n.

1. 意見，見解；主張[C][U][（+of/on/about）]
   Opinions differ on this matter.

   對這件事各人看法不一。

2. 評價[S]
3. 輿論[U]
   Opinion is shifting in favor of the President's new policy.

   輿論正轉向支持總統的新政策。

4. （未定的）判斷，鑑定[C]

n.

1. a view or judgement not necessarily based on fact or knowledge.
   ▸the beliefs or views of a large number of people.
   ▸an estimation of quality or worth:

   he had a high opinion of himself.
2. Law  a formal statement of reasons for a judgement given.
   ▸a barrister's advice on the merits of a case.