It is doubtful that he will come.

他会不会来值得怀疑。

Will it work? It seems doubtful.

这项计划会起作用吗？似乎很值得怀疑。

A sceptical person is doubtful about something.

怀疑态度的人对某事表示怀疑。

I am doubtful whether she is still alive.

我难以确定是否还活着。

Oh, doubtful. I just moved here from London.

哦？不会吧。我刚从伦敦搬过来。

" Doubtful that I would turn up? " Dumbledore suggested shrewdly.

“不相信我真的会来？”邓布利多尖锐地指出。

We were doubtful about what the government was saying.

我们直怀疑政府的说法。

She added compromise with Britain is still possible, but doubtful.

补充称，虽然会与英国妥协，但仍存有变数。

Some people, however, are still doubtful of the new rules.

然而，些人仍然对新规表示怀疑。

I was doubtful about the old man's good intentions.

这老头的好意令我起疑。

She too was initially doubtful surgery could help her.

怀疑手术是否可以帮助到自己。

Doubtful. Klaus doesn't want to be pointed out.

不太可能。克劳斯不想被人找到。

It is doubtful whether Ted will keep his promise.

泰德会不会履行承诺令人起疑。

The prospects for the Tokyo Olympics in July and August are doubtful.

7和8东京奥运会能否如期举行堪忧。

But that's precisely why van Gogh denied himself that doubtful pleasure.

但那正是梵高为什么会否定自己的那种可疑的欢愉。

" Oh, she'll cheer up, " said Hermione, though she sounded a bit doubtful.

“哦，会高兴起来的。”赫敏说，不过的口气也有些犹疑。

It's doubtful that computerized voting will make the situation any better.

计算机化的投票将会让状况变得更好这点是值得怀疑的。

Wujing looked doubtful. " This horse is too slow to be a dragon" .

" 这马的速度太慢了，不可能是龙啊。"

She raised her dark eyes on my face and stood for a moment doubtful.

抬起乌黑的眼睛望着我的脸，站着沉吟了会。

Some economists remain doubtful about whether it's a sound economic policy.

些经济学家仍然怀疑这是否是合理的经济政策。