4 sentences

1. 他在抢险救灾中立功受奖。

   tā zài qiǎng​xiǎn jiù​zāi zhōng lì​gōng shòu​jiǎng.

   He performed meritorious service and was rewarded during the disaster relief efforts.

   Source: Dong Chinese Dictionary

2. 抢险人员正在努力排除大坝的险情。

   qiǎng​xiǎn rén​yuán zhèng​zài nǔ​lì pái​chú dà​bà de xiǎn​qíng.

   Emergency personnel are working hard to eliminate the danger to the dam.

   Source: Dong Chinese Dictionary

3. 全连官兵都参加了这次抗洪抢险任务。

   quán lián guān​bīng dōu cān​jiā le zhè cì kàng​hóng qiǎng​xiǎn rèn​wu.

   All officers and soldiers of the company participated in this flood-relief mission.

   Source: Dong Chinese Dictionary

4. 救援人员正冒着生命危险在现场抢险。

   jiù​yuán rén​yuán zhèng mào zhe shēng​mìng wēi​xiǎn zài xiàn​chǎng qiǎng​xiǎn.

   Rescue workers are risking their lives to handle the emergency at the scene.

   Source: Dong Chinese Dictionary