4 sentences

1. 卿本佳人，奈何从贼？

   qīng běn jiā​rén, nài​hé cóng zéi?

   You were originally a person of character; why did you turn to a life of crime?

   Source: Dong Chinese Dictionary

2. 事已至此，奈何？

   shì yǐ zhì​cǐ, nài​hé?

   Things have come to this; what can be done?

   Source: Dong Chinese Dictionary

3. 奈何天公不作美。

   nài​hé tiān​gōng​bù​zuò​měi.

   Unfortunately, the weather didn't cooperate.

   Source: Dong Chinese Dictionary

4. 谁也奈何不了他。

   shéi yě nài​hé bù liǎo tā.

   No one can do anything to stop him.

   Source: Dong Chinese Dictionary