n.

1. 評論[C]
   a commentary on the world situation

   對世界局勢的評論

2. （對某一著作）系統的註釋（或評註）[C]
3. 實況報導[C][U]
   His spirited commentary makes a match very interesting even on the radio.

   他對比賽作的實況報導十分生動，即使從收音機收聽也很有趣。

4. 紀事[P]
   Caesar's Commentaries

   凱撒紀事

n.

1. the expression of opinions or offering of explanations about an event or situation.
2. a descriptive spoken account (especially on radio or television) of a sports match or other event as it happens.
3. a set of explanatory or critical notes on a text.