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1·We keep our valuables under lock and key.

我们把贵重物品锁起来收好了。《牛津词典》

2·I will not rest until the murderer is under lock and key.

杀人凶手一天不关起来我一天不罢休。《牛津词典》

3·He kept that book under lock and key.

他把那本书锁起来。

4·A lock and key come with each bicycle.

每辆自行车都附有一把锁和钥匙。

5·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。

6·Gold is so valuable that it is often kept under lock and key.

金子那么宝贵，所以常保存在安全的地方。

7·I love my new smartphone so much, I keep it under lock and key when I am asleep.

我很爱我的新智能手机，睡觉时将它保管得妥妥的。

8·In the meantime, the comic book remains under lock and key with the Halland police.

在这期间，唐老鸭漫画书仍由哈兰警方妥善保管。

9·If she won it she would give me a hundred roubles, and put the rest away under lock and key.

要是她中了奖就会只给我一百个卢布，把其他的都锁起来！

10·I keep a lot of things under lock and key - most foodstuffs, cleaning materials, the hamster.

我把家里的很多东西都锁起来- - -大多数是食品，洗涤用的东西，还有我们养的仓鼠。