The success of the system is not in doubt.

这种制度的成功确定无疑。

Then steam power entered the scene, putting the whole future of waterpower in doubt.

随后，蒸汽动力登上了历史舞台，让整个水力发电的前景一度遭到了怀疑。

The outcome was still in doubt.

结果仍不确定。

His inclusion in the team is in doubt.

他是否能被选入这个队还未定案。

His intellect and mental agility have never been in doubt.

他的才智和头脑的敏锐从未被受到怀疑。

All the time you are in doubt about the cause of your illness, you are fighting against an invisible enemy.

一直以来你都在怀疑自己的病因，你是在和一个无形的敌人斗争。

As the boy stood in doubt, Durbeyfield put his hand into his pocket, and produced a shilling (a unit of money used in Britain until 1971).

男孩站在那里犹豫不决的时候，德北菲尔德把手伸进口袋，拿出一先令（1971年前在英国使用的货币单位）。

When in doubt, use your own gear.

如果有疑问，请使用自己的装备。

I'm rather in doubt about his explanation of this question.

我对他对这个问题的解释相当怀疑。

The identity of the moai builders was in doubt until well into the twentieth century.

摩艾石像的建造者的身份直到20世纪才得到确认。

In the near future, it's not just going to be the number you see on your screen that will be in doubt.

在不久的将来，不确定的将不仅仅是你在屏幕上看到的数字。

When in doubt, if you're having some weird character issue, odds are you need to escape it in some way.

当你有疑问时，如果你有一些奇怪的性格问题，很可能你需要用某种方式来摆脱它。

His loyalty to his friends was never in doubt.

他对朋友的一片忠心从来没受到怀疑。

A suggested explanation, so long as its correctness is still in doubt, is called a hypothesis.

提出来的解释，只要它的正确性仍然有疑问，便称为假说。

When in doubt, tell the truth.

有疑问时，就说真话吧。

When in doubt, throw it out!

一旦怀疑，就把它丢掉。

When in doubt, use fewer colors.

当不确定时，少用颜色。

The new geology leaves all in doubt.

新的地质情况让一切处于不确定之中。

IF IN doubt, call a summit.

如果存在疑虑，那就开个峰会。

When in doubt, wear black.

犹豫的时候，穿黑色就对了。

If in doubt do less, but do it right.

如果怀疑做得少，不如做的恰当。

So the outcome is not really in doubt.

那么，最后的结果不存疑虑。

If in doubt, avoid it.

如有怀疑，远离它。

When in doubt, stay with what you know.

如果有疑问，保留您所了解的那个。

If you aren't in doubt, use them anyway.

如果现在还没疑问，将来无论如何也要用到它们。

The success of the court remains in doubt.

此次庭审是否能够成功，还存在怀疑。

If in doubt, consider a synchronized wrapper.

如果情况不确定，考虑使用同步包装。

Even Greece's EU membership would be in doubt.

甚至希腊的欧盟成员国身份都将被置于危险境地。

The future of the bank itself is also in doubt.

兴业的未来也很成问题。

When in doubt, we're here for you. Give us a call.

当有什么疑问的时候，给我们打个电话，我们一直在这等你。