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道Nihongo Path

筈

はず

it is expected that; it should be so; ought to be

By Nihongo PathUpdated

Examples

  1. 彼は今日来る筈です。

    かれはきょうくるはずです。

    He's supposed to come today.

  2. その飛行機は今ごろは関西空港に当然着いている筈だ。

    そのひこうきはいまごろはかんさいくうこうにとうぜんついているはずだ。

    The plane should have arrived at Kansai Airport by now.

  3. そんな筈はない。何かの間違いだろう。

    そんなはずはない。なにかのまちがいだろう。

    That can't be right. It must be some sort of mistake.

  4. 道理で寒い筈だ。窓が開いていた。

    どうりでさむいはずだ。まどがあいていた。

    No wonder it's cold — the window was open.

Common patterns

〜筈だ
ought to be; is supposed to be
そんな筈はない
that can't be so
道理で〜筈だ
no wonder that ...

Memory tip

Nearly always written in kana as はず. It expresses an expectation grounded in evidence or arrangements, unlike べき, which expresses obligation: 来るはずだ = I expect him; 来るべきだ = he ought to come.

Kanji in this word

  • 筈Not in the N5–N1 kanji lists

Quick check

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What does 筈 mean?