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N2

次第だ・次第で

しだいだ・しだいで

Depending on, So

夢ゆめをかなえられるかどうかは君きみの努力どりょく次第しだいだ。

Being able to make your dream come true or not depends on you.

Explanation

「次第だ・次第で」 has 2 uses

1Depends on

After a noun: the outcome depends on it: 「成功は努力次第だ」 (success depends on effort). Mid-sentence: 「次第で」「次第では」.

ワインの渋味しぶみは濃度のうど次第しだいだ。

Wine's astringency depends on its concentration.

夢ゆめをかなえられるかどうかは君きみの努力どりょく次第しだいだ。

Being able to make your dream come true or not depends on you.

2That is why

At the end, 「〜次第です」 explains how things came about in business letters and reports: 「このような理由でお断りする次第です」 (for these reasons, we must decline).

担当者たんとうしゃが急病きゅうびょうのため、私わたしが代かわりに参まいった次第しだいです。

Our person in charge suddenly fell ill, which is why I have come in their place.

予定よていが変かわりましたので、ご連絡れんらくした次第しだいです。

Our plans have changed, so I am writing to let you know.

Mixed up with

「noun+次第だ/次第で」: depends on.

「verb stem+次第」: as soon as: 「決まり次第ご連絡します」 (I'll contact you as soon as it is decided). The end of the sentence cannot be past tense.

「sentence+という次第だ」: 'that is how it came about'; official wording.

Examples

1Depends on

  1. 第一だいいち希望きぼうの大学だいがくへ入はいれるかは、試験しけんの結果けっか次第しだいだ。

    Whether I can go to the college of my first choice or not, depends on my test results.

  2. 成功せいこうは大抵たいてい努力どりょく次第しだいだ。

    Success depends mostly on effort.

2That is why

  1. 担当者たんとうしゃが急病きゅうびょうのため、私わたしが代かわりに参まいった次第しだいです。

    Our person in charge suddenly fell ill, which is why I have come in their place.

  2. 予定よていが変かわりましたので、ご連絡れんらくした次第しだいです。

    Our plans have changed, so I am writing to let you know.

Tested 4 times in past papers

N2 · Dec 2023, Q38N2 · Jul 2019, Q43N1 · Dec 2016, Q31N1 · Jul 2012, Q37