official

詞意辨析：

officer, official

這兩個名詞均含“官員”之意。
officer: 主要指軍官或警官，有時也指文職官員或高級職員。
official: 通常指文職官員，公職人員，有時也指軍官或警官。official

詞型變化：

副詞:officially 名詞:officialdom 

字典網

英文解釋：

名詞 official:

1. a worker who holds or is invested with an office
   同義詞：functionary
2. someone who administers the rules of a game or sport

形容詞 official:

1. having official authority or sanction
2. of or relating to an office
3. verified officially
4. conforming to set usage, procedure, or discipline
   同義詞：prescribed
5. (of a church) given official status as a national or state institution

相關對話：

1. The protesters showed their defiance of the official ban on demonstrations.
   抗議者藐視官方的示威禁令。
2. He is a pompous official.
   他是個自命不凡的官員。
3. I happen to have the official statistics with me.
   我碰巧身邊有官方的統計數字。
4. The mayor is a considerable official.
   市長是一位重要的官員。
5. The group have split away/off from the official union.
   這一部分人已從正式的聯盟中分裂出來了。
6. They expressed their dissent from official policy.
   他們對官方的政策表示出異議。
7. She received several official letters this morning.
   她今天早晨收到了幾封公函。
8. An official of the local government called to see him.
   當地政府一位官員來看他。