用 "disappointed at" 定用 "disappointed with" ?

The audience was very ______ the drama.
1."be disappointed" 可接很多種介繫詞 (at/by/about/in/with)，且意思大致相同.
2.當不滿意對象為人時，"disappointed IN" 用的最普遍
I’m very disappointed in you. --- Longman (如係考試，這是標準答案)
但I am disappointed with you 也被使用，並非文法錯誤，如
His parents were bitterly disappointed in/with him -- Cambridge
3. 當不滿意對象為事時，at/with/by/about something都可使用, 如字典例句
Local residents were disappointed with the decision. – Longman --(1)
We were deeply disappointed at/about the result. – Cambridge -- (2)
People are disappointed by the lack of political change – Longman. (3)
用 by 時通常有接特別發生原因 – the lack of political change (3) – 本句不合
用at 有特定意味，如句(2) at the result，對特定結果本身不滿
用 with 時，通常代表對事物的基本特性、特質不滿，如句(1) 對 the decision 的內容不滿
於 at 與 with 二選一時，因句子未對drama 作特殊描 使其有特定性，適合選項為with，代表對劇情的不滿

The audience was very [disappointed with] the drama.
# disappointed [形容詞] 釋義1.〈人が〉落胆［失望］した((in，with ...，at doing，to do，that 節))

"disappointed at" Yip

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