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

他对这个问题的解释我总是半信半疑.

《现代汉英综合大词典》

The story goes that he died by his own hands, but this looks rather suspicious.

谣传他已经自杀, 但我对此半信半疑.

《现代汉英综合大词典》

His face darkened, and he looked at her in incredulous horror.

他变了脸色, 带着半信半疑的讨厌的神气望着她.

辞典例句

The president listened with a mixture of sympathy and doubt.

总统半信半疑地听着.

辞典例句

Dodo, her expression uncertain , hovered behind O'keefe.

多多带着半信半疑的表情, 守在奥基夫的身后.

辞典例句

We hug our half belief in ghosts.

我们对鬼魂半信半疑.

辞典例句

He walked out fast, leaving the head waiter staring dubiously at the flimsy blue paper.

他很快地走出去, 撇下侍者头儿半信半疑地瞪着这张薄薄的蓝纸.

辞典例句

At that time scholars dubious, Zhang Binglin directed it as forgery.

当时学者半信半疑, 章炳麟直指之为伪造.

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Then when fighting did erupt, he took us half seriously , half sceptically.

仗打起来, 对我们半信半疑.

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I took the news with a grain of salt.

我对这个消息半信半疑.

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Elizabeth looked at her sister incredulous solicitude, but said nothing.

伊丽莎白半信半疑而又极其关切地望着姐姐, 一声不响.

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He stalked away, but with a gnawing uncertainty in his breast.

他昂首阔步地走开, 心里半信半疑,感到十分苦恼.

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I always took the rumors with a grain of salt.

我总是对谣言持半信半疑地态度.

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I have suspected It'some time, but I am now convinced.

以前我不过半信半疑, 现在我可完全相信了.

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So, people were almost always half in belief andin doubt.

所以人们几乎总是处于半信半疑之间.

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