I came across the following sentence in my dictionary :


Because of the absence of context, I imagined one by myself. Suppose I ‘m cooking unskillfully and a friend who sees that says ,“お前料理下手だな”. Then to make excuses I say, “下手なわけだよ,習い始めたばかりなんだから.”

The above is the context I imagine, but a native speaker said that in this case in which I want to make excuses for myself, わけ is not suitable, and はず is OK.He didn’t explain more.

I know the nuance between the following two sentences:



I just want to know why the usage of わけ such as in sentence A couldn’t be used to make excuses for oneself. It’s very anti intuitive to me..

Thanks in advance, and sorry for my poor English..


In my opinion, it should be 下手で当然だろ? (It's natural that I'm poor at it, isn't it?) , which can barely be interchangeable to 下手なはずだろ?, but not はずだよ.

Neither わけだ or はずだ are really correct because わけだ (No wonder that's that) can only work when you provide information the listener isn't aware of or when you hear the reason you haven't been aware of, and はずだ is only synonymous to the latter beside assumption.

  • I’m not sure but it’s said in my grammar book that はずです:事実や状況から考えで、「それは当然だ」と言いたいときに使う。So maybe はずだis OK.
    – Mugenen
    Dec 2 '19 at 6:03
  • When it stands for assumption as your book says, both you and the listener can't know that you are actually poor. In your example, however, it's the listener who first said that you are poor and you also knew it. The situations are totally different.
    – user4092
    Dec 2 '19 at 14:45
  • Let's me post the sentense in my book. A:わあ、すてきな家具ですね。  B:すてきなはずですよ。有名なデザインナーが作ったんですから。 In this case, I think A didn't know the reason but B did know..But I'm not sure.. Thanks for any comment.
    – Mugenen
    Dec 4 '19 at 2:35
  • And I think the sentence in my book is in the same case as the sentence I post in question...
    – Mugenen
    Dec 4 '19 at 2:39

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