He locked the heavy door securely and kept the key in his pocket.

他锁牢了那扇重门把钥匙放在了他的口袋里。

《柯林斯英汉双解大词典》

At the top of the stairs he drew from his pocket another key, with which he opened another door.

到了楼梯顶上，他又从衣袋里取出另外一把钥匙，用来开另一扇门。

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He locked the door and put the key in his pocket.

他就锁上门，把钥匙装进了自己的口袋里。

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The Zippo slid smoothly into his side pocket as he slid carefully out the back door, looking back only once to see the quivering orange glow from farther back in the offices.

NPR: 'Arson' by Nick Lysohir

With the fob in a pocket or purse, a person can approach a locked vehicle, pull the door handle and open the door or trunk.

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