title: 什么意思myheartmissabeat. 
desc: my heart miss a beat.
answer: heart misses a beat是惯用语，直译是“心跳停顿了一下”，引伸为表达突然感到惊恐、兴奋等。(It is used to say that you have a sudden feeling of fear, excitement, etc. )
  
  句例：
  1.  This pretty girl caused his heart to miss a beat.
  2.  Anxiety does cause your heart to miss a beat and also to beat fast or make you feel like it is going to come out of your chest.
  3.  While losing this relationship may have caused your heart to miss a beat or two, it will beat again for a new love.
  