doubtfully

I was doubtful of my judgement.

我对自己的判准。

He is an author of doubtful reputation.

他是一位名声太好的作家。

It is doubtful whether it is true or not.

这件事的真假是可疑的。

Doubtful that the cord would hold, we strengthened it.

绳索恐怕能支撑，让我们使它坚固一点

I feel very doubtful about this.

我对这点很怀疑。

His eyes rested on her doubtfully.

他可疑地视她。

I am very doubtful of that.

我很疑心那件事。

The day is doubtful.

胜负难料。

This is a doubtful battle.

这是一场胜负难测的战争。

He is a doubtful character.

他是一个可靠的人。

I'm doubtful where to go.

该往哪里去我心中无底。

Examination result is appalling, urban chophouse, small noodle shop uses this to plant doubtful and lardy very general.

检查结果令人震惊,餐馆、面馆使用这种可疑猪油很普遍。

I am doubtful whether I could ever learn English, but I'm determined to have a bash at it.

晓得我能能学会英语, 但是我决心试试看。

Taxus L. is a problematic genus, not only its species are discouragingly similar, but also its family circumscription are still doubtful.

红豆杉种属的问题，但它的种类惊人地相似，而且其科的界限也非常模糊。