Object + 掉 + 在 + Location
The verb 掉 (diào) means to drop, lose, or shed something, emphasizing that an object has come off or been lost from its original position. It often implies an unintentional action. For example, 掉在地上 means something dropped onto the ground.
我的手机从口袋里掉出来了。
Wǒ de shǒujī cóng kǒudài lǐ diào chūlái le.
My phone fell out of my pocket.
小心,你的钱包掉在地上了。
Xiǎoxīn, nǐ de qiánbāo diào zài dìshàng le.
Be careful, your wallet dropped on the ground.
她走得太急,把钥匙掉了。
Tā zǒu de tài jí, bǎ yàoshi diào le.
She was walking too fast and dropped her keys.