介绍： 1.*suspicious [sə'spɪʃəs]
adj. 可疑的，怀疑的
be suspicious of 对……起疑
It is a little suspicious that no one knows where he was at the time of the murder.
在谋杀发生的时间里，没人知道他在那儿，这点很可疑。

2.dubious ['djuːbɪəs]
adj. 可疑的，无把握的 doubtful
I’m dubious about his promises to change his...

介绍： 1.*suspicious [sə'spɪʃəs]
adj. 可疑的，怀疑的
be suspicious of 对……起疑
It is a little suspicious that no one knows where he was at the time of the murder.
在谋杀发生的时间里，没人知道他在那儿，这点很可疑。

2.dubious ['djuːbɪəs]
adj. 可疑的，无把握的 doubtful
I’m dubious about his promises to change his ways.
我对他改变他的生活方式的承诺表示怀疑。

3.*skeptical ['skeptɪkəl]
adj. 怀疑的
Many experts remain skeptical of/about his claims.
许多专家对他的主张仍持怀疑态度。
skeptic n. 怀疑论者， 怀疑者
skepticism n. 怀疑论

4.*speculate ['spekjʊleɪt]
v. 推测，猜测
The newspapers have speculated that they will get married next year.
报纸上猜测他们明年会结婚。

5.*specify ['spesɪfaɪ]
vt. 具体说明；明确指出
He said we should meet but didn't specify a time.
他说我们应该见见面，但没说具体时间。
specific adj. 特定的，特有的；明确的，具体的
specification n. 规格，规范，说明书
technical specification 技术规范

6.*special ['speʃ(ə)l]
adj. 特殊的，特别的；专门的，有特定用途的
n. 特别节目；特价商品
I have a suit for special occasions.
我有一套专门在特殊场合穿的套装。
specialize v.专门从事，专攻
specialist n. 专家，专门医生
especially adv. 尤其，特别

7.expertise [ˌekspɜː'tiːz]
n.专门技能（知识）；专长
I have no expertise in sewing.
我在缝纫上很外行。

8.species ['spiːʃiːz]
n. 种，物种
Women film directors in Hollywood are a rare species.
女性电影导演在好莱坞属于稀有物种。

9.conspicuous [kən'spɪkjʊəs]
adj. 显著的，引人注目的
In China, her blonde hair is conspicuous.
在中国，她的一头金发十分惹眼。

10.despise [dɪ'spaɪz]
vt. 鄙视，蔑视；厌恶
She despised him for the way he treated her sister.
他那样对待她姐姐让她感到很厌恶。