4 sentences

1. 谋杀案发当晚你在哪儿？

   móu​shā àn​fā dāng​wǎn nǐ zài nǎ​r?

   Where were you the night of the murder?

   Source: OpenSubtitles

2. 比赛定在周六，我们打算当晚出发。

   bǐ​sài dìng zài Zhōu​liù, wǒ​men dǎ​suàn dāng​wǎn chū​fā.

   The match is set for Saturday, and we plan to leave that evening.

   Source: Dong Chinese Dictionary

3. 国庆节当晚，整座城市都在举行大型的烟火表演。

   Guó​qìng​jié dāng​wǎn, zhěng zuò chéng​shì dōu zài jǔ​xíng dà​xíng de yān​huo biǎo​yǎn.

   On the night of National Day, the entire city held a massive fireworks display.

   Source: Dong Chinese Dictionary

4. 他在除夕当晚吃到了热饺子。

   tā zài Chú​xī dàng​wǎn chī dào le rè jiǎo​zi.

   He had hot dumplings on the night of New Year's Eve.

   Source: Dong Chinese Dictionary