skeptical

To be wary, suspicious, or doubtful.

怀疑的提防的，怀疑的或可疑的

a suspicious look, attitude

怀疑的样子、 态度

There is (no) room for doubt.

（没）有怀疑的馀地.

Feeling or showing doubt.

不信任的，怀疑的感到或表示怀疑的

Inclined to suspect rivalry.

怀疑的易于怀疑（别人与之）竞争的

not suspected or believed likely.

不被怀疑的，相信的。

He gave me a quizzical look.

他用怀疑的神色看我。

She looked incredulous.

她显出怀疑的样子。

One that serves to divert suspicion or attention from another.

替别人引开怀疑的人。

an incredulous look, stare, gaze, etc

怀疑的神情、 注视、 逼视等.

A feeling of doubt, distrust, or apprehension.

怀疑一种怀疑、不信任或害怕的感情

a person who doubts truth of religion.

怀疑宗教的真理的人。

I doubt the accuracy of your statement.

我怀疑你的话的正确性。

No one had the slightest suspicion;

没有人产生丝毫的怀疑。

I have doubts about his honesty

我对他的诚实表示怀疑。

He challenged my statement.

他对我的说法表示怀疑。

quieten sb's fears/suspicions

消除某人的恐惧[怀疑

I don't question but you are correct.

我不怀疑你是正确的。