O-2

Question 1

onset

Answer 1

發病

Question 2

onslaught

Answer 2

攻擊

Question 3

onus

Answer 3

責任

Question 4

opaque

Answer 4

不透明的；晦澀難懂的

Question 5

operational

Answer 5

操作上的

Question 6

operative

Answer 6

有效的；工人；幹部

Question 7

opponent

Answer 7

對手；反對者

Question 8

opportune

Answer 8

適宜的

Question 9

oppress

Answer 9

迫害

Question 10

oppression

Answer 10

迫害

Question 11

opprobrium

Answer 11

責罵

Question 12

opt

Answer 12

選擇

Question 13

optical

Answer 13

光學的

Question 14

optimal

Answer 14

最適宜的

Question 15

option

Answer 15

選擇

Question 16

optional

Answer 16

可自由選擇的

Question 17

opulent

Answer 17

富裕奢華的

Question 18

oration

Answer 18

演說

Question 19

oratory

Answer 19

演講術；雄辯

Question 20

orbit

Answer 20

繞⋯運行；軌道運行

Question 21

ordeal

Answer 21

磨難

Question 22

ordinance

Answer 22

訓令

Question 23

orient

Answer 23

東方；確定方向；使迎合

Question 24

oriental

Answer 24

東方的

Question 25

orientation

Answer 25

導向

Question 26

oriented

Answer 26

導向的

Question 27

origin

Answer 27

起源

Question 28

originality

Answer 28

創造性

Question 29

originally

Answer 29

起初；開啟

Question 30

ornament

Answer 30

飾品；增添光彩的人；裝飾

Question 31

ornate

Answer 31

華麗的

Question 32

orthodox

Answer 32

傳統的

Question 33

ostensible

Answer 33

表面的

Question 34

ostentatious

Answer 34

炫耀的

Question 35

ostracize

Answer 35

孤立

Question 36

oust

Answer 36

免除

Question 37

outburst

Answer 37

（情感的）爆發

Question 38

outcast

Answer 38

遺棄者

Question 39

outcome

Answer 39

結果

Question 40

outcry

Answer 40

抗議

Question 41

outdo

Answer 41

勝過

Question 42

outfit

Answer 42

裝備

Question 43

outlandish

Answer 43

怪異的

Question 44

outlast

Answer 44

活得比⋯還久

Question 45

outlaw

Answer 45

不法分子；定⋯為不法行為

Question 46

outlay

Answer 46

費用

Question 47

outlet

Answer 47

出口；特約商店

Question 48

outlook

Answer 48

看法；前景；景色