more than once

汉语翻译

例句：

1. I have seen this happen more than once.
   发生这种事我屡见不鲜。
2. He'd let me down more than once so the next time he asked me for a favour I gave him the brush-off.
   他已不止一次难为我，因此下次他求我帮助时，我也让他碰碰钉子。
3. More than once I've felt my heart slip a cog.
   我不止一次感到心脏突然停跳一下。