4 sentences

1. 没有明确的旋律。

   méi​yǒu míng​què de xuán​lǜ.

   There is no clear melody.

   Source: CCMatrix

2. 你能猜出这个旋律的名字吗？

   nǐ néng cāi chū zhè​ge xuán​lǜ de míng​zi ma?

   Can you guess the name of this tune?

   Source: CCMatrix

3. 他也开始写歌，练歌，创作自己的旋律。

   tā yě kāi​shǐ xiě gē, liàn gē, chuàng​zuò zì​jǐ de xuán​lǜ.

   He also began to write songs, practice singing, and create his own melodies.

   Source: CCMatrix

4. 两个不同的旋律，无论有多大差异，她都无法分辨。

   liǎng​ge bù​tóng de xuán​lǜ, wú​lùn yǒu duō​dà chā​yì, tā dōu wú​fǎ fēn​biàn.

   She cannot distinguish between two melodies no matter how different they are.

   Source: CCMatrix