He rammed the key into the lock and kicked the front door open.

他猛地把钥匙插进锁里，踢开了前门。

《柯林斯英汉双解大词典》

There's no lock on the front door from when police or whoever kicked in the door.

前门上没有锁，所以警察什么的一脚就能把门踢开。

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When I reached my home, on high ground, the lock on the front door was broken and the floor was covered with books, CDs and plates that had fallen from the shelves.

当我回到家的时候，站在高处，前门的锁已经坏了，地板上也铺满了从架子上掉下来的书，光盘以及盘子。

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There's also integration with a home energy management system, which allows the owner to adjust air conditioning and lock the front door via a smartphone app.

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The singer said she had been living in Devon for nearly 20 years at that point, her home had an alarm but she did not always turn it on, and she did not always lock her front door.

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