前綴per-(pel-,pol-,par-,pil-,por-)詞源、意思和例詞
前綴per-來源于拉丁介副詞per，它基本意思是“through（通過）”，由此又引申出具有加強意義的“throughout（貫穿）、thoroughly（徹底）”及含有貶義的to destruction（毀壞）等意思（表示貶義的per-只出現在少數單詞中，也就是表示貶義的per-派生出的單詞比較少）。per-除上面的意思外，還有“intensive,falsely, excessive, by, by means f"等含義。per-是原生前綴，主要與拉丁動詞詞干結合，構成動詞及其相應的名詞或形容詞。
下面重點來講per-的主要意思“through”。
1．貫通，通過，穿過，經過
perspective, perceive, perspicacious
2．到處，這兒，那兒
pervade, permeate, perambulator
3．從頭至尾，一直，始終
persist, perpetual, perennial
4．表強調[非常，完全地，徹底地]
pertain, perturb, peremptory
此外，前綴per- 還有如下變形。
1．pel,pol(在輔音字母l前)
pellucid,pollution
2．par- (在輔音字母d,s和元音字母a前]
pardon, parson, paramour
3．pil(在輔音字母g前)
pilgrim
4．por[在輔音字母t前]
portend
例詞：
1.persevere [per( =through,throughout) +sever( =serious)從頭到尾始終非常嚴肅的]
vi. in+sth continue steadily in spite of hardship 忍耐；堅忍不拔；堅持不懈
perseverance 忍耐；忍耐性；堅持 persevering 有毅力的，有韌勁的；固執(zhí)的；不屈不撓的
舉例： lt's important to persevere, especially when you feellike quitting. ．
堅持不懈是很重要的，尤其是當你想放棄的時候。
2.pertain [per( =intensive) +
vi. to + sth belong as a part or accessory; have reference; be appropriate 從屬，屬于；和…有關；適合，符合
pertinent 相關的；恰當的 pertinence 適當，恰當 pertinently 恰當地
舉例： He wrote a report on current copyright law as it pertains to email.
他寫了一篇關于現行版權法的報告，主要涉及與電子郵件相關的內容。
3.perjury [per( =falsely) +
n. the act of making a false statement after taking an oath to tell the truth; wilful false statement 發(fā)假誓；作偽證 perjure 發(fā)假誓 perjurer 發(fā)假誓者；作偽證者
舉例： The witness was convicted of perjury and fined $2, 000 dollars.
那個證人被宣判犯有作偽證罪，被處以2000美元的罰款。
4.perpetual [per( =through, throughout)+pet( =seek, strive)一直尋找]
adj. never-ending; going on for a long time or without stopping; continual; often repeated 永久的，永遠的；無休止的，連續(xù)不斷的，持續(xù)的；反復的，頻繁的
perpetuate 便永遠存在 perpetuity 永遠，不滅；終生養(yǎng)老金 perpetuation 永存，不朽
舉例： Maintaining a state of perpetual inner peace is a truth seeker's goal.
永遠保持內心的寧靜是真理追求者的目標。
5.persist [per(=through, throughout) +sist( =stand)從頭至尾一直站著，堅持]
vi. refuse to give up when faced with opposition or difficulty; insist; continue to exist 固執(zhí)；堅持；持續(xù)，存留
persistence 固執(zhí)；持久；堅持 persistent 固執(zhí)的；堅持的；持續(xù)存在的
舉例：lt's difficult to persist with daily life tasks when suffering severe depression.
在情緒十分低落時很難堅持日常工作。
6.pervade [per( =through,throughout) +vad( =go)這兒、那兒到處去]
vt. spread through every part of; penetrate 遍及，滲透
pervasion 擴散，普及；滲透 pervasive 普遍深入的，影響深遠的
舉例： According to conservatives, harmful violence pervades a lot of television programming.
據保守主義者說，有害的暴力行為已滲透到許多電視節(jié)目中。
7.persecute [per( =through,throughout) +secut(=follow) 一直跟著]
vt. oppress cruelly for reasons of religion, politics,or race; trouble or annoy constantly 迫害；糾纏；為難 persecution 迫害；糾纏 persecutor 迫害者
舉例：I was persecuted for months by an IRS representative who said I owed more taxes.
幾個月以來，我一直被美國國稅局人員糾纏，他說我欠交更多的稅金。
8.perspective [per( =through，throughout) +spect( =look)通過某物看]
n. prospect; view; the art of drawing to show depth and distance 透視畫法；遠景,景觀；（觀察問題的）視角，觀點，看法
舉例： lt's difficult to get a good perspective on problems while they're occurring.
很難以恰當的角度來看待正在發(fā)生的問題。
9.perturb [ per( =intensive) +turb( =agitate)劇烈晃動，使動搖]
vt. disturb; make afraid or anxious 擾亂，使心煩意亂，使混亂；使不安，使擔心
perturbation 心煩意亂，不安；混亂
舉例： It perturbs me that you keep spreading false rumors about me.
你一直在散播有關我的虛假傳聞，這使我感到不安。
10.peruse [per(=intensive) +us( =use)妤好利用書本]
vt. read carefully 熟讀，精讀 perusal 熟讀，精讀
舉例：I perused the manual for hours, but couldn't figure out how the program works.
我將使用說明書仔細閱讀了好幾個小時，但還是沒能弄清楚程序是怎么運行的。
11.perceive [per( =through) +ceiv( =take)通過某種事情抓住或理解]
vt. become aware through sight, hearing,touch,or smell; grasp mentally;
understand 察覺．感知：理解；認識到
perception 察覺，感知 perceptible 可以感覺到的 perceptive 有感知能力的，有洞察力的 perceptibly 可察覺地 imperceptibly 察覺不到地；極徽地
舉例： Studies show that two witnesses can perceive the same event quite differently.
研究證明，兩個目擊者對同一事件的認知可能大不相同。
12.perennial [per( =through, throughout)+enn<ann( =year)整整一年]
adj. continuing throughout the whote year; lasting for a very long time; living for more than two years 四季不斷的；持久的；（植物）多年生的
舉例： The perennial star Julie Andrews no longer sings, but still acts.
老牌明星朱莉·安德魯斯不再演唱了，不過還在演戲。
13.perverse [per( =intensive, falsely) +vers( =turn)方向改變得不當]
adj. wilfully continuing in wrongdoing; wilfully choosing a wrong course 故意作對的；邪惡的，走上邪路的：不合人意的，有悖常情的,剛愎自用的；
perversity 固執(zhí)；壞心眼，邪惡 perversion 曲解，歪曲；惡用，濫用
舉例： He has a perverse character, always making problems for everybody.
他存心和人作對，常常給每個人制造麻煩。
14.permeate [per( =through) +me<mea（=pass,flow）到處都經過、流過]
vt. pass,flow or spread into Bvery part of 浸透，滲入；彌漫，遍及
permeation 滲入，浸透；普及，彌漫 permeability 滲透性，可透性 permeable 可滲透的
舉例： The smell of fish permeated the kitchen for days.
連續(xù)幾天廚房里一直彌漫著魚腥味。
15.pernicious [per( =through,thoroughly) + nic<noc( =harm,kill)完全損害或損傷]
adj. injurious,harmful,fatal 有害的，致命的
舉例：A pernicious computer virus is invading home computers and erasing their data.
一種破壞力極強的計算機病毒正在侵入家用電腦并刪除電腦中的資料。
16.peremptory [per(=intensive) +empt( =take)采取強硬態(tài)度]
adj. not to be disobeyed or questioned; dogmatic; insisting upon obedience;
imperious （命令）斷然的；獨斷的；強制的；專橫的
舉例： The constable issued a peremptory order for a 10 p.m. curfew.
這位警官發(fā)布了晚上十點宵禁的強制命令。
17.perfunctory [per( =falsely) +funct（=perform）假裝做事]
adj. done as a duty or routine but without care or interest; doing things without concern or solicitude 隨隨便便的，得過且過的；敷衍的，馬馬虎虎的
perfunctorily 敷衍地；隨隨便便地；馬馬虎虎地
舉例： The acquisitions editor only gave a pertunctory glance at the volume of poetry.
新書采購編輯只是隨便瞟了一眼詩集。
18.perspicacious [per( =through) +
adj. quick to judge and understand 穎悟的，敏銳的，有洞察力的，聰穎的
perspicacity 敏銳，聰明，洞察力
舉例： The chairman told me I was the most perspicacious student in his seminar.
系主任對我說，在參加研討會的學生中，我領悟力最強。
19.pertinacious [per (=intensive) +tin( =hold)緊緊抓住的]
adj. not easily giving up what has been started; unyielding; determined 頑固的，執(zhí)拗的，固執(zhí)的；不屈的；堅決的
pertinacity 執(zhí)拗，頑固，固執(zhí)；（疾?。╇y治
舉例： Anti-abortionists are one of the most pertinacious interest groups in America.
反墮胎主義者是美國最頑固的利益集團之一。
20.perfidious [per（=through,falsely）+tid( =trust)利用信任欺騙的或假裝信任的]
adj. treacherous; faithless 背信棄義的，不忠的；不義的，不誠實的
perfidy 不義，不誠實；背叛
舉例： The perfidious fiend gained my confidence and then stole my wallet!
那個背信棄義的惡魔在取得我的信任后，偷走了我的錢包！