Give away any food you have on hand, or lock it up and give the key to the neighbours.

把你手头的食物分发送人，或锁藏起来，把钥匙交给邻居们。

《柯林斯英汉双解大词典》

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》

Take your room key and ID, close and lock the door to your room.

带上房间钥匙和身份证，然后关好房间的门并锁上。

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The basic reality of American prisons is not that of the lock and key but that of the lock and clock.

NEWYORKER: The Caging of America

Ports for micro-USB and a 3.5mm headphone jack sit up top, with the volume rocker and lock key on the right and a covered slot for microSD or, in the case of the (gold) 308, a second full-sized SIM on the opposite edge.

ENGADGET: Hands-on with Nokia's Asha 308 and 309 (video) Mobile

Instead of being patented and hidden under lock and key, these breakthrough innovations could be released to the commons for anyone to adopt, replicate, re-innovate and distribute.

FORBES: Move up http://i.forbesimg.com t Move down