Will it work? It seems doubtful.

这项计划会起作用吗？似乎很值得怀疑。

" 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。

It's doubtful anyone realized it, but at that moment, the multiverse branched yet again, taking the empire ever-further from peace, from survival.

可能没有人意识到，但在那一刻，多元宇宙再次分裂，让帝国远离和，远离生存。

And the solutions are doubtful. The Pakistani army may be victorious, but at what cost, and with what consequences?

而解决方法令人怀疑，巴基斯坦军队可能胜利了，但为此所付出的代价呢？这一切带来的后果呢？

Any theory that has not been tested is just a doubtful one.

任何未经检验的理论都是不足为信的。

But what if you don't live to get home again? asked another, doubtful voice.

如果你不能活着回去怎么办？另一个人怀疑地问。

As for myself, I'm doubtful about writing classes, but not entirely against them.

就我本人来说，我对写作课程持怀疑态度，但不完全反对。

But whether the boost to either will endure after the horse furore recedes is doubtful.

但是，在马肉风波引起的息之后，这种传统屠宰店的热潮是否能够持续下去，仍难下定论。

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

7月和8月东京奥运会能否如期举行堪忧。

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

她抬起乌黑的眼睛望着我的脸，站着沉吟了一会。

I am doubtful whether she is still alive.

我难以确定她是否还活着。

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

她补充称，虽然会与英国妥协，但仍存有变数。

If we believe our ability is lower than the standard needed, then we're doubtful.

如果我们相信自己的能低于所需标准，那么我们就会怀疑。

Never speak of the times as being hard, or of business conditions as being doubtful.

不要抱怨世道艰难，也不要对自己的事业前景怀有任何疑虑。

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

然而，一些人仍然对新规表示怀疑。

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

“哦，她会高兴起来的。”赫敏说，不过她的口气也有些犹疑。

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一点是值得怀疑的。

The doubtful legitimacy of such rough coercion did not disturb the mind of Venn.

这种粗暴强制手段的合法性令人怀疑，但是维恩对此并未感到不安。

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

一些经济学家仍然怀疑这是否是一个合理的经济政策。

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。"