5 sentences

1. 我们的忧虑结束了。

   wǒ​men de yōu​lǜ jié​shù le.

   Our worries are over.

   Source: OpenSubtitles

2. 你不必为这些琐事感到忧虑。

   nǐ bù​bì wèi zhè​xiē suǒ​shì gǎn​dào yōu​lǜ.

   You don't need to worry about these trifles.

   Source: Dong Chinese Dictionary

3. 他的话语中隐含着一丝不易察觉的忧虑。

   tā de huà​yǔ zhōng yǐn​hán zhe yī sī bù yì chá​jué de yōu​lǜ.

   There was a subtle hint of worry hidden in his words.

   Source: Dong Chinese Dictionary

4. 听到这个好消息，他的忧虑立刻烟消云散了。

   tīng​dào zhè​gè hǎo xiāo​xi, tā de yōu​lǜ lì​kè yān​xiāo​yún​sàn le.

   Upon hearing the good news, his worries vanished into thin air.

   Source: Dong Chinese Dictionary

5. 听了他的解释，我心里反而生出了一丝淡淡的忧虑。

   tīng le tā de jiě​shì, wǒ xīn​li fǎn'ér shēng​chū le yī sī dàn​dàn de yōu​lǜ.

   After hearing his explanation, a faint sense of worry arose in my heart instead.

   Source: Dong Chinese Dictionary