The company is keeping mum about the electrolyte it uses and the chemistry involved.

然而，该公司对其使用的电解质和所涉及的化学成分闭口不提。

" " Tom, we GOT to keep mum.

” “汤姆，我们得保持沉默。

You just keep mum about it.

你只是保持沉默。

So I just put the bark back in my pocket and kept mum." " What bark?

所以我只是把树皮放回口袋里并保持沉默。” “什么树皮？

It don't make any difference WHAT happens, we got to keep mum.

发生什么都没有关系，我们必须保持沉默。

I reckon we're safe as long as we keep mum.

我认为只要我们保持沉默, 我们就安全了。

Richardson has a theory: What keeps mum going is that she has this life force. She's the least self-pitying person I have ever met. Natasha shared that vitality.

“妈妈能继续生活是因为她有这种生命力。她是我见过的最不自怨自艾的人。”娜塔莎也有这种活力。

Singapore has kept mum on what the government paid to bring Swift to the city-state, but news outlet CNA estimates that it is likely to have cost between $2 and $3 million for all six shows.

新加坡政府对斯威夫特来新加坡的费用一直保持沉默，但中央通讯社估计，这六场演出的费用可能在200万到300万美元之间。

But if a man was dead sober, I reckon maybe that whack might fetch him; I dono." After another reflective silence, Tom said: " Hucky, you sure you can keep mum?

但是，如果一个人是清醒的，我想也许那一记重击会把他打倒；我不知道。” 在又一次深思熟虑的沉默之后，汤姆说：“哈基，你确定你能守住妈妈吗？