2 sentences

1. 我的手心真的在出汗。

   wǒ​de shǒu​xīn zhēn​de zài chū hàn.

   My palms are literally sweating.

   Source: OpenSubtitles

2. 因为当你紧张时手心就会冒汗。

   yīn​wèi dāng nǐ jǐn​zhāng shí shǒu​xīn jiù huì mào hàn.

   Because when you get nervous, your palms get sweaty.

   Source: AI Challenger 2017