6 sentences

1. 他做每一件事都非常用心。

   tā zuò měi yī jiàn shì dōu fēi​cháng yòng​xīn.

   He puts his heart into everything he does.

   Source: Dong Chinese Dictionary

2. 我们要用心去感悟大自然的美。

   wǒ​men yào yòng​xīn qù gǎn​wù dà​zì​rán de měi.

   We should use our hearts to appreciate the beauty of nature.

   Source: Dong Chinese Dictionary

3. 只有用心，才能品味出这首诗的深意。

   zhǐ​yǒu yòng​xīn, cái néng pǐn​wèi chū zhè shǒu shī de shēn​yì.

   Only by using your heart can you appreciate the deep meaning of this poem.

   Source: Dong Chinese Dictionary

4. 你要用心去体味这本书中所蕴含的哲理。

   nǐ yào yòng​xīn qù tǐ wèi zhè běn shū zhōng suǒ yùn​hán de zhé​lǐ.

   You should take the time to truly appreciate the philosophy within this book.

   Source: Dong Chinese Dictionary

5. 他这么做显然是别有用心。

   tā zhè​me zuò xiǎn​rán shì bié​yǒu yòng​xīn.

   He clearly has ulterior motives for doing this.

   Source: Dong Chinese Dictionary

6. 他的用心险恶，企图挑拨我们的关系。

   tā de yòng​xīn xiǎn'è, qǐ​tú tiǎo​bō wǒ​men de guān​xi.

   His intentions are sinister, as he is attempting to drive a wedge between us.

   Source: Dong Chinese Dictionary