It was a matter upon which he was reticent, and with persons of his kind a direct question is never very discreet.

这是一个他莫如深的话；于像他这样的人直接问这类事也是很不谨慎的。

Though it's been widely reported that this inaugural iteration of the character was 19 years old, Mattel itself is typically mum on the whole topic.

尽管有大量报道称，第一代芭比的年龄为 19 岁，但美泰公司这一话莫如深。

Because not that long ago, mental health was a taboo topic shrouded in stigma.

因为就在不久前，理健康还是一个充满污名、莫如深的禁忌话。

That's a very mysterious answer to me.

来说，这真是一个莫如深的回答。

They've been a bit cagey about exactly why it is that they shut.

他们于确切关闭的原因一直有些莫如深。

Okay, so I'm going to ask you again before we go on to the Khafre pyramid, why do you think that Egyptology, the Egyptians themselves are so hesitant to talk about underground cavities, buildings, structures, shafts?

好的，在们继续讨论卡夫拉金字塔之前，想再问你一次，为什么你认为埃及学界，包括埃及人自己，地下洞穴、建筑、结构、通道这些话如此莫如深呢？

Dr Zamft and his colleagues are coy about the crops to which they are applying their computational breeding programme at first, and which traits they will attempt to improve.

Zamft 博士和他的同事们于他们最初将应用计算育种程序的作物以及他们将尝试改良哪些特性都莫如深。

He says that he tried to find out more from Libby, one of his other co-workers, but she was very hush-hush about it.

他说他试图从他的另一位同事莉比那里了解更多情况，但她此莫如深。

This is a complex psychological phenomenon that troubles millions of children worldwide, but we have been reluctant to discuss it openly.

这是一个困扰着全球数百万儿童的复杂理现象，只是们一直莫如深、避而不谈。

I tried to find out more from Libby, but she was very hush-hush about it.

从莉比那里试图了解更多情况，但她此莫如深。