這次遲到的借口是什么？為什么其他人不相信了

 
A: Sorry, I didn't mean to be late. Can I come in?
 
抱歉，我不是故意遲到的。我能進來嗎？
 
B: What's your excuse this time?
 
你這次的借口是什么？
 
A: Have I used the one that my sister is sick?
 
我說過我妹妹生病這個理由了嗎？
 
B: Yes, twice last week.
 
是的，你上周說過兩次了。
 
A: Are you sure? I thought I said it was my mother.
 
您肯定嗎？我覺得我說的是我媽媽生病了。
 
B: I don't think so. But it could've been.
 
我可不這么認為，不過也許是吧。
 
A: Well, you can trust me this time. My sister is definitely sick. I'm just coming from the hospital. They said she might even die.
 
這次您可以相信我，我妹妹真的病了。我剛從醫(yī)院回來，他們說她有生命危險。
 
B: I don't buy your story. Try not to have any more sick relatives this week, all right?
 
我才不相信你的鬼話呢，這周盡量不要再有其他的親戚生病了好嗎？
 
A: I'll do my best.
 
我盡力吧。
 
B: Just try to be a little more punctual in the future.
 
以后要準時點兒。
 
A: I'm working on it. Really.
 
我正在努力呢，真的。