词根：lud, lus = to play（游戏, 扮演）

  来自拉丁语的luder(=to paly)意为to laugh,to play。

同源词：

1. allude [对某事发笑al<ad(=to)+lud(=laugh, play)]
  vi. to  +sth 暗指；间接提到
  allusion n.暗指
  allusive adj. 暗指的
  Her drooping eyes allude to her profound fatigue. 她双眼低垂，说明她非常疲倦。

2. collusion [一起笑col<com(=together)+lus(=laugh, play)]
  n.同谋，勾结
  collude v. 同谋
  collusive adj.同谋的
  The airlines are sometimes thought to be guilty of collusion in ticket pricing. 有时航空公司会被指责相互串通垄断机票价格。

3. delude [由于可笑而使某人脱离正常状态de(=from)+lud(=laugh,play)]
  vt. 欺骗；哄骗；迷惑
  delusion n. 迷惑，欺瞒；错觉
  deIusive adj. 欺骗的；妄想的
  He deludes himself that he is handsome. 他自欺地认为自己长得很帅。

4. elude [笑着从危险状况中摆脱出来e<ex(=out)+lud(=laugh．piay)]
  vt.（巧妙地）逃脱，摆脱
  elusive adj.逃避的
  elusion n. 回避；选跑
  The criminal eluded the cops by stealing a car and driving away. 犯人躲开警察偷了一辆车逃跑了。

5. illusion [头脑对某事物闹着玩il<in(=on)+lus(=laugh,play)]
  n.幻想；错觉；假象
  illusionist n. 魔术师；空想家
  illusiva/illusory adj.幻影的；错觉的；迷惑人的
  Many old maids hold the illusion of perfect marriage well into their fifties. 许多老处女在五十岁以后仍然幻想着拥有完美的婚姻。

6. ludicrous
  adj.滑稽的，可笑的 *lud(=laugh)

7. prelude
  n.前奏曲；序幕 v.作为...的前奏（或序幕）*pre(=before),lud(=play)

8. interlude
  n.间奏；（话剧或歌剧等的）幕间；穿插事件 *inter(=between),lud(=play)
  interludes of bright weather 坏天气中间或有的晴天。

9. postiude
  n.后奏曲 *post(=after),lud(=play)

10. disllusion
  n.幻灭；觉醒 v.使幻灭；使醒悟（幻想破灭）《dis- = away》

词根词缀：vid-, video-, vis-, -vision, -visional, -visionally, visuo-, vu-

【来源及含义】Latin: videre, "to see"; plus words with other related meanings: to notice, noticing, noticed; observe, observing, observed; look, looking, looked; perceive, perceiving, perceived, perception; see, seeing, saw, seen, sight; view, viewing, viewed; manifest, manifesting, manifested; reveal, revealing, revealed, revelelation

【相关描述】Although many of the words in this unit seem to be from other Latin origins, all of them are etymologically derived from the main Latin videre, "to see" element.

【相关词根词缀】 Cross references of word families that are related directly, or indirectly, to: "appear, visible, visual, manifest, show, see, reveal, look": blep-; delo-; demonstra-; opt-; -orama; pare-; phanero-; phant-; pheno-; scopo-; spec-; vela-, veal-.

【同源单词】achromatic vision, advice, advisability, advisable, advisableness, advisably