1. clothes， cloth， clothing

clothes統指各種衣服，謂語動詞永遠是復數， cloth指布，為不可數名詞 clothing 服裝的總稱，指一件衣服用a piece of， an article of

2. incident， accident

incident指小事件， accident指不幸的事故He was killed in the accident.

3. amount， number

amount后接不可數名詞， number后接可數名詞 a number of students

4. family， house， home

home 家，包括住處和家人，house房子，住宅，family家庭成員。 My family is a happy one.

5. sound， voice， noise

sound自然界各種各樣的聲音，voice人的嗓音，noise噪音I hate the loud noise outside.

6. photo， picture， drawing

photo用照相機拍攝的照片，picture可指相片，圖片，電影片，drawing畫的畫 Let‘s go and see a good picture.

7. vocabulary， word

vocabulary詞匯，一個人擁有的單詞量，word具體的單詞He has a large vocabulary.

8. population， people

population人口，人數，people具體的人 China has a large population.

9. weather， climate

weather一天內具體的天氣狀況，climate長期的氣候狀況 The climate here is not good for you.

10. road， street， path， way

road具體的公路，馬路，street街道，path小路，小徑，way道路，途徑

take this road; in the street， show me the way to the museum.

11. course， subject

course課程（可包括多門科目），subject科目（具體的學科）a summer course

12. custom， habit

custom傳統風俗，習俗，也可指生活習慣，后接to do， habit生活習慣，習慣成自然，后接of doing. I’ve got the habit of drinking a lot.

13. cause， reason

cause 指造成某一事實或現象的直接原因，后接of sth./doing sth，reason用來解釋某種現象或結果的理由，后接for sth./doing sth. the reason for being late

14. exercise， exercises， practice

exercise運動，鍛煉（不可數），exercises練習（可數），practice（反復做的）練習 Practice makes perfect.

15. class， lesson

作“課”解時，兩者可以替換。指課文用lesson. 指班級或全體學生用class. lesson 6; class 5

16. speech， talk， lecture

speech指在公共場所所做的經過準備的較正式的演說，talk日常生活中的一般的談話，講話，lecture學術性的演講，講課 a series of lecture on…

17. officer， official

officer部隊的軍官，official官員 an army officer

18. work， job

二者均指工作。work不可數，job可數 a good job

19. couple， pair

couple主要指人或動物，pair多指由兩部分組成的東西 a pair of trousers

20. country， nation， state， land

country側重指版圖，疆域，nation指人民，國民，民族，state側重指，政體，land國土， The whole nation was sad at the news.

21. cook， cooker

cook廚師，cooker廚具 He is a good cook.

22. damage， damages

damage不可數名詞， 損害，損失; damages復數形式， 賠償金 $900 damages

23. police， policeman

police警察的總稱，后接復數謂語動詞，policeman 指某個具體的警察 The police are questioning everyone in the house.

24. problem， question

problem常和困難連系，前面的動詞常為think about， solve， raise，question常和疑問連系，多和ask， answer連用

25. man， a man

man人類，a man一個男人 Man will conquer nature.

26. chick， chicken

二者均可指小雞，chicken還可以當雞肉 The chicken is delicious.

27. telegram， telegraph

當電報解時，telegram指具體的，telegraph指抽象的 a telegram， by telegraph

28. trip， journey， travel， voyage

travel是最常用的，trip指短期的旅途，journey指稍長的旅途，voyage指海上航行 a three-day trip

29. sport， game

sport多指戶外的游戲或娛樂活動，如打球，游泳，打獵，賽馬等；game指決定勝負的游戲，通常有一套規則 His favorite sport is swimming.

30. price， prize

price價格，prize獎，獎品，獎金 win the first prize The price is high/low.

31. a number of， the number of

a number of許多，謂語動詞用復數。the number of…的數目，謂語動詞用單數。The number of students is increasing.

32. in front of， in the front of

in front of范圍外的前面，in the front of范圍內的前面 In the front of the room sits a boy.

33. of the day， of a day

of the day每一天的，當時的，當代的， of a day暫時的，不長久的 a famous scientist of the day

34. three of us， the three of us

three of us我們（不止三個）中的三個，the three of us我們三個（就三個人）The three of us---Tom， Jack and I went to the cinema.

35. by bus， on the bus

by bus表手段，方式，不用冠詞，on the bus表范圍 They went there by bus.

36. for a moment， for the moment

for a moment 片刻，一會兒，for the moment暫時，一時 Thinking for a moment， he agreed.

37. next year， the next year

next year將來時間狀語，the next year過去將來時間狀語 He said he would go abroad the next year.

38. more than a year， more than one year

more than a year一年多，more than one year超過一年（兩年或三年等）

39. take advice， take the（one‘s） advice

take advice征求意見，take the advice接受忠告 He refused to take the advice and failed again.

40. take air， take the air

take air傳播，走漏，take the air到戶外去，散步 We take the air every day.