blunder on
phrasal verbblunder on 
- to continue doing something in a careless or stupid way一再粗心(或荒唐)地做某事;一错再错 - I wasn’t sure he understood what I was saying, but I blundered on with my explanation.我不确定他是否明白我在说什么,但我还是胡乱解释了一番。 
 
- I wasn’t sure he understood what I was saying, but I blundered on with my explanation.