3 sentences

1. 观众们在场边大声呐喊，为运动员助威。

   guān​zhòng men zài chǎng​biān dà​shēng nà​hǎn, wèi yùn​dòng​yuán zhù​wēi.

   The spectators cheered loudly from the sidelines to encourage the athletes.

   Source: Dong Chinese Dictionary

2. 他对着大海尽情地呐喊，释放心中的压力。

   tā duì​zhe dà​hǎi jìn​qíng de nà​hǎn, shì​fàng xīn​zhōng de yā​lì.

   He shouted at the sea to release the pressure in his heart.

   Source: Dong Chinese Dictionary

3. 观众席上传来了为运动员助威的呐喊声。

   guān​zhòng​xí shàng chuán​lái le wèi yùn​dòng​yuán zhù​wēi de nà​hǎn shēng.

   Shouts of encouragement for the athletes came from the stands.

   Source: Dong Chinese Dictionary