1.imply v.暗示，暗指(to hint)

聯想記憶：im(進入)+ply(重疊)--重疊表達--暗示，暗指

例：The look of guilt on John's face implied that he committed the crime.

2.impose v. (on/upon）征（稅等）(to levy)；處以（罰款、監禁等）：強制實行：強加于 (to establish or bring about as if by force)

詞根記憶：im(使…)+pose(放)--強行放置--強加于

例：The government decided to impose restaurant meal tax．//impose penalties施以懲罰 //The national speed limit of 55 miles per hour was imposed in 1974.

派生詞：imposing(a．使人難忘的，壯麗的)；imposition(n．征稅；強加)

同根詞：dispose(v.布置，處理)

3.imposition v.征收(sth. imposed)；強加(the act of imposing)

詞根記憶：im(使…)+pos(放置)+ition--強行放置--強加

例：The imposition of quotas limiting imported steel will not help the big American steel mills.

同根詞：imposture(n.欺詐；冒牌)

4.impoverished a．窮困的(poor)

詞根記憶：來自impoverish（v.使貧窮）

例：Both private and public hospitals provided mainly food and shelter for the impoverished sick.

5.impulse n.沖動(a sudden spontaneous inclination);脈沖(a surge of electrical power in one direction)

詞根記憶：im(使…)+puls(推)+e--推動--沖動

例：electrical impulse電脈坤 //impulses to kill殺人沖動

同根詞：repulse(v.打退：厭惡)

6.in lieu of 代替(instead of)

例：They used an inked thumbprint in lieu of signature.

7.inability n.無才能，無能力（lack of ability（especially mental ability）to do sth.）

詞根記憶：in（無）+ability(能力)--無能力

例：A major impediment to wide acceptance of electric vehicles even on the part of people who use their cars almost exclusively for commuting is the inability to use electric vehicles for occasional extended trips.

同根詞：ability (n．才能;能力)

8.inaccessible a．難達到的，難接近的，難達到的(not accessible)

例：The plant generally grows in largely inaccessible places.

派生詞：inaccessibly( ad.難接近地)

9.inaccurate a．錯誤的(wrong)；不準確的(not accurate)

詞根記憶：in（非）+accurate(精確的)--非精確的--錯誤的

例：The methods used to determine the gold content of Frobisher's samples must have been inaccurate.

派生詞：inaccurately( ad.不準確地；不精確地)；inaccuracy(n．錯誤)