2 sentences

1. 我不止一次提醒过他。

   wǒ bù zhǐ yī cì tí​xǐng guo tā.

   I have reminded him more than once.

   Source: Dong Chinese Dictionary

2. 你父亲救过我不止一次。

   nǐ fù​qīn jiù guò wǒ bù​zhǐ yī cì.

   Your father saved me more than once.

   Source: OpenSubtitles