4 sentences

1. 我们可以变换一下思考问题的角度。

   wǒ​men kě​yǐ biàn​huàn yī​xià sī​kǎo wèn​tí de jiǎo​dù.

   We can try looking at the problem from a different angle.

   Source: Dong Chinese Dictionary

2. 傅里叶变换在工程领域有广泛的应用。

   Fù​lǐ​yè biàn​huàn zài gōng​chéng lǐng​yù yǒu guǎng​fàn de yìng​yòng.

   The Fourier transform has a wide range of applications in the field of engineering.

   Source: Dong Chinese Dictionary

3. 在足球比赛中，球员们需要根据战术变换队形。

   zài zú​qiú bǐ​sài zhōng, qiú​yuán men xū​yào gēn​jù zhàn​shù biàn​huàn duì​xíng.

   In a football match, players need to change formations according to the tactics.

   Source: Dong Chinese Dictionary

4. 在复杂的公式变换过程中，这个常数始终保持不变。

   zài fù​zá de gōng​shì biàn​huàn guò​chéng zhōng, zhè​ge cháng​shù shǐ​zhōng bǎo​chí bù​biàn.

   During the complex transformation of the formula, this constant stays the same.

   Source: Dong Chinese Dictionary