1 ad hoc /??d ?h?k/ adj. 特別的；臨時(shí)；專設(shè) adv.特別地，專門地
這是一個(gè)英語中的直接拉丁語借詞，這是一個(gè)短語，本意是“to this,with respect to this,for this (specific perpose)”,ad在拉丁語中表示“to”,
hoc在拉丁語中表示hic(意為this)的中性賓格形式。短語含義為“to this (specific perpose)”。例如：
(1) Every inch of green grass outside the mall had been transformed into ad hoc parking lots. [Dallas Morning News]
商場外的每一寸綠草都變成了臨時(shí)停車場。
(2) An ad hoc committee voted unanimously Wednesday to recommend the city implement cell phone restrictions in school zones. [Amarillo Globe-News]
一個(gè)特設(shè)委員會(huì)周三一致投票建議該市在學(xué)區(qū)實(shí)施手機(jī)限制。
(3) Bagley is the chief transportation planner for Montgomery County and part of an ad hoc mobility task force that sprung up when the bridge closed in October … [Pottstown Mercury]
巴格利是蒙哥馬利縣的首席交通規(guī)劃師，也是 10 月份橋梁關(guān)閉時(shí)涌現(xiàn)的臨時(shí)機(jī)動(dòng)特遣隊(duì)的成員。
2. ad infinitum /??d ?nf??na?t?m/ adv. 無限地；永久地；無止境地
同ad hoc一樣，也是直接的拉丁語借詞，這是一個(gè)短語，意為“endlessly,to infinity”。由拉丁詞ad(to,unto)+infinitum(infinity)構(gòu)成，
形容詞 infinitus "endless"的中性賓格形式。例如：
(1) On Sunday, President Hugo Chavez won the right to seek reelection ad infinitum. [Los Angeles Times]
周日，烏戈·查韋斯總統(tǒng)贏得了無限期連任的權(quán)利。
(2) You go round in a circle ad infinitum; the trick is to make sure each new item fits into a story in your imagination. [Guardian]
你無限循環(huán)； 訣竅是確保每個(gè)新項(xiàng)目都適合您想象中的故事。
(3) Mistrust, violence, intimidation and psychological abuse will continue, ad infinitum, as West Papuans are pushed further aside. [Sydney Morning Herald]
隨著西巴布亞人被進(jìn)一步推到一邊，不信任、暴力、恐嚇和心理虐待將無休止地繼續(xù)下去。
(4) It is almost certain their backers are already planning the next round, in a process that will continue in one form or another ad infinitum. [Wired]
幾乎可以肯定，他們的支持者已經(jīng)在計(jì)劃下一輪，這個(gè)過程將以一種或另一種形式無限期地繼續(xù)下去。
3. ad interim/?d'int?rim/ 拉丁語借詞,拉丁語ad(to,unto),interim含義為“time intervening”，“in the meantime, meanwhile”。
adj. 含義為“Temporary”,暫時(shí)的，暫時(shí)的 。例如：
The ad interim government ended with the inauguration of Sam Houston as president on October 22, 1836.’
臨時(shí)政府以山姆休斯頓于 1836 年 10 月 22 日就任總統(tǒng)而告終。
adv. 含義為“For an intervening or temporary period of time”，暫時(shí)地，暫時(shí)地。例如：
Since 15th September 2006 Piet Van Roe is the Managing Director ad interim of the public broadcaster.
自 2006 年 9 月 15 日起，Piet Van Roe 擔(dān)任公共廣播公司的臨時(shí)董事總經(jīng)理。
4. ad lib /??d ?l?b/ 拉丁語借詞,拉丁語ad libitum的縮寫，含義為“to (one's) pleasure, as much as one likes”(adv. 沒有限制地；即席地)，其中，ad含義為“to,unto”，libitum含義為“pleasure”。
