vt.

1. 宣布，宣告；声明[O8][O9][+（that）]
   The new Congress declared a state of war with Germany.

   新的国会向德国宣战了。

2. 宣称；断言[+（that）][O8][O9]
   The accused man declared himself innocent.

   被告声称他是无罪的。

   She declared that she didn't want to see him again.

   她宣称再也不愿见他了。

3. 申报（纳税品等）
   I have nothing to declare.

   我没什么要申报的。

4. 【牌】宣布（某牌）为王牌

vi.

1. 声明，表示[（+for/against）]
   We declared for their proposal.

   我们声明赞成他们的建议。

v.

1. announce solemnly or officially; make clearly known.
   ▸ (declare for/against) Brit. openly support or oppose.
   ▸announce oneself as a candidate for an election.
   ▸announce that one holds (certain combinations of cards) in a card game.
2. (declare oneself) reveal one's intentions or identity.
   ▸express feelings of love to someone.
3. acknowledge possession of (taxable income or dutiable goods).
4. Cricket  close an innings voluntarily before all the wickets have fallen.