2 sentences

1. 我没办法下定决心。

   wǒ méi bàn​fǎ xià dìng jué​xīn.

   I can't make up my mind.

   Source: OpenSubtitles

2. 她下决心下次一定能成功。

   tā xià jué​xīn xià​cì yī​dìng néng chéng​gōng.

   She’s determined to succeed the next time.

   Source: CCMatrix