7165.diligent(形)勤勉的
The diligent student gets up before dawn every day.
這個勤奮的學生每天天亮以前就起床了。

7166.dilute(動)稀釋
The water will dilute the wine.
水能使酒變淡。

7167.dim(形)昏暗的
The light was too to read．
光線太暗，無法閱讀。

7168.dime(名)一角硬幣
Can you give me a dime for two nickels?
你能不能用兩個五分鎳幣換我一個一毛的鐮幣？

7169.dimension(名)空間
Time is sometimes called the fourth dimension.
時間有時被稱為第四維空間。

7170.diminish(動)減少
The bad news did nothing to diminish her enthusiasm for the plan.
那個壞消息絲毫未減少她對這個計劃的興致。

7171.dip(動)浸泡
Julie dipped her toe into the pool to see how cold it was．
茱莉把腳趾伸進游泳池看水有多冷。

7172.diploma(名)文憑
I'm studying for a diploma in hotel management.
我在攻讀酒店管理文憑課程。

7173.diplomacy(名)外交
If diplomacy fails，there is a danger of war.
如果外交努力失敗，就有爆發戰爭之險。

7174.dislomat(名)外交官
In all the delicate negotiations，the dislomat never put a foot wrong.
在微妙的談判中，這位外交官從未出過差錯。

7175.diplomatic(形)外交的
He searched for a diplomatic reply so as not to offend her.
他想找一個得體的答復以免觸怒她。

7176.directory(名)電話薄
I tried to look up Joe's number in a telephone directory．
我嘗試著要在電話簿上查喬的電話號碼。

7177.disadvantage(名)不利之條件
Your qualifications are good. Your main disadvantage is your lack of experience.
你的學歷不錯，最吃虧的是沒有經驗。

7178.disappear(動)消失
反義詞appear
He walked away and disappear into a crowd of people.
他走開了，消失在人群中。

7179.disappoint(動)使失望
I'm sorry to disappoint you but I'm afraid you haven't won the prize.
我很抱歉讓你失望了，但你恐怕沒有得獎。

7180.disappointment(名)失望
She has suffered many disappointment in her career.
她在事業中遇到過很多令她失望的事。

7181.disapproval(名)不贊成
反義詞approval
She shook her head in disapproval．
她搖搖頭表示不贊成。

7182.disapprovel(動)不贊成
反義詞approve
His parents strongly disapprovel of him leaveing college before he had finished his course.
他未完成大學課程就輟學了，他的父母極不贊成。

7183.disaster(名)災難
Losing your job is unpleasant, but it's not a disaster．
失業是令人不愉快的，但還算不上災難。

7184.disastrous(形)悲慘的
Our mistake had disastrous results．
我們的錯誤造成了嚴重后果。

7185.disbelieve(動)不相信
反義詞believe
I have no reason to disbelieve her.
我沒有理由不相信她。

7186.discard(動)丟棄
You've got to discard before you can pick up another card.
你得先打出一張牌，才能拿另一張牌。

7187.discern(動)辨識
I discerned a note of anger in his voice.
我發覺他聲音中帶點憤怒。

7188.disciple(名)追隨者
We are disciple of the artistic leader.
我們是那位藝術領袖的追隨者。

7189.disciplinary(形)紀律上的
The Customs and Excise Department has established itself as an outstanding disciplinary force.
香港海關是一支享有良好聲譽的紀律部隊。

7190.discipline(名)紀律
A good teacher must be able to maintain discipline in the classroom．
好的老師必須能維持課堂的紀律。

7191.disclosure(名)揭露
He resigned following disclosure about his private life.
他的私生活被揭露后就辭職了。

7192.discomfort(名)不舒服
反義詞comfort
There may be some discomfort after the operation．
手術后傷口可能有少許不適。

7193.disconnect(動)切斷
反義詞connect
If you don't pay your gas bill, your supply will be disconnected．
如果你不交煤氣費，煤氣供應會被切斷。

7194.discontent(名)不滿
反義詞content
The management could sense growing discontent among the staff．
資方感覺到員工的不滿情緒日益高漲。

7195.discourage(動)使氣餒
Don't let these little problems discourage you.
別遇到了這些小問題就氣餒。

7196.discouragement(名)氣餒
Despite all these discouragement， she refused to give up.
她盡管遇到許多挫折，卻仍然不氣餒。

7197.discouraging(形)令人泄氣的
Constant criticism can be very discouraging.
不斷的批評會令人十分泄氣。