名詞 pluperfect:

1. a perfective tense used to express action completed in the past
   同義詞：past perfect, past perfect tense, pluperfect tense

形容詞 pluperfect:

1. more than perfect

plu.per.fect

adj.（形容詞）
Grammar Of, relating to, or being a verb tense used to express action completed before a specified or implied past time.
【語(yǔ)法】 過(guò)去完成時(shí)的：屬于、關(guān)于或成為一個(gè)被用來(lái)表示在一特定或暗示的過(guò)去時(shí)間之前完成動(dòng)作的動(dòng)詞的
More than perfect; supremely accomplished; ideal:
極完美的，極好的：更加完美的；超一流地完成的；理想的：
例句：
.He has won a reputation as[a] pluperfect bureaucrat. (New York Times)
.他贏得了 超級(jí)官僚的名聲. (紐約時(shí)報(bào))

n.Grammar （名詞）【語(yǔ)法】
The pluperfect tense, formed in English with the past participle of a verb and the auxiliaryhad, as had learned in the sentence He had learned to type by the time the semester was over. Also called past perfect
過(guò)去完成時(shí)：過(guò)去完成時(shí)態(tài)，在英語(yǔ)中由一個(gè)動(dòng)詞的過(guò)去分詞加助動(dòng)詞had 構(gòu)成，如 had learned 在 He had learned to type by the time the semester was over（在那個(gè)學(xué)期結(jié)束之前他學(xué)會(huì)了打字）一句中 也作 past perfect
A verb or form in the pluperfect tense.
過(guò)去分詞：過(guò)去完成時(shí)態(tài)下的動(dòng)詞或形式

來(lái)源：
Middle English pluperfyth
中古英語(yǔ) pluperfyth
alteration of Latin plôs quam perfectum [more than perfect]
拉丁語(yǔ) plôs quam perfectum的變化 [極完美的]
plôs [more] * see pel…-
plôs [更多的] *參見(jiàn) pel…-
quam [than]
quam [比…]
perfectum [neuter past participle of] perficere [to complete] * see perfect
perfectum [] perficere的中性過(guò)去分詞 [完成] *參見(jiàn) perfect