4 sentences

1. 媒体都在争抢第一手新闻。

   méi​tǐ dōu zài zhēng​qiǎng dì​yī​shǒu xīn​wén.

   The media are all scrambling for first-hand news.

   Source: Dong Chinese Dictionary

2. 他手里占有大量的第一手资料。

   tā shǒu lǐ zhàn​yǒu dà​liàng de dì​yī​shǒu zī​liào.

   He has a large amount of first-hand information in his possession.

   Source: Dong Chinese Dictionary

3. 他以特派记者的身份在战区发回了第一手报道。

   tā yǐ tè​pài jì​zhě de shēn​fèn zài zhàn​qū fā​huí le dì​yī​shǒu bào​dào.

   As a special correspondent, he sent back first-hand reports from the war zone.

   Source: Dong Chinese Dictionary

4. 为了获取第一手资料，他不惜重金购买了专业设备。

   wèi​le huò​qǔ dì​yī​shǒu zī​liào, tā bù​xī zhòng​jīn gòu​mǎi le zhuān​yè shè​bèi.

   He spared no expense to buy professional equipment in order to obtain first-hand information.

   Source: Dong Chinese Dictionary