He kept that book under lock and key.

平常,他总是小心翼翼地把那本书锁好.

Until then, keep your own diaries under lock and key.

在那以前, 记住,把你自己的日记锁好.

She would keep any sensitive documents under lock and key.

她总是把任何机密文件锁得好好的。

The fate of prisoners under lock and key is more problematic.

囚犯是抓还是放是比较大的问题.

I shall feel more at ease when we have our story-teller here safe under lock and key.

现在只有把给我们讲故事的人锁进监里，我才能放心。

Soft leather briefcase, with brushed metal lock and key; available in grey and in coffee brown.

软皮公文包，饰有拉丝金属扣和钥匙，亦有灰色和咖啡棕色可供挑选。

And the bacteria also have a receptor on their cell surface that fits like a lock and key with that molecule.

这些细菌的细胞表面，同时还有一种受器，与此分子的构造就如同钥匙与锁一般的吻合。

As always, the plot of what will happen in Game of Thrones season 8 is being kept under lock and key.

一如既往，《权力的游戏》第八季的剧情还是保密得死死的。

The molecule at the heart of the lock-and-key mechanism is a protein called CTCF, say the scientists in a paper published in the journal Genome Research.

科学家发表在《基因组研究》杂志的文章说，锁钥机制的核心分子是一个叫做CTCF的蛋白。