1 sentence

1. 他虽然失败了，但心里很不甘心，想再试一次。

   tā suī​rán shī​bài le, dàn xīn​li hěn bù​gān​xīn, xiǎng zài shì yī cì.

   Although he failed, he was unwilling to accept it and wanted to try again.

   Source: Dong Chinese Dictionary