2 sentences for 唱 (chàng — call out)

1. 饭馆的伙计在门口大声唱着来宾的姓名。

   fàn​guǎn de huǒ​ji zài mén​kǒu dà​shēng chàng zhe lái​bīn de xìng​míng.

   The waiter at the restaurant announced the names of the guests at the door.

   Source: Dong Chinese Dictionary

2. 他总是唱高调，却从不采取任何实际行动。

   tā zǒng​shì chàng gāo​diào, què cóng bù cǎi​qǔ rèn​hé shí​jì xíng​dòng.

   He always speaks in high-sounding platitudes but never takes any practical action.

   Source: Dong Chinese Dictionary