out of the blue

意味

completely unexpectedly

まったく思いがけなく.

例文

1. 1My old school friend rang me out of the blue after ten years.
2. 2Out of the blue, our new neighbours invited us to their daughter's wedding.
3. 3We hadn't heard from Aunt Rosa in years, and then, out of the blue, she turned up at our door.
4. 4Nobody saw it coming when, out of the blue, the manager announced she was leaving.
5. 5Did the job offer really come out of the blue, or had you applied for it?

文法

形は変わらない。副詞のように節の初めか終わりに置くか、come、ring、arrive などの動詞の後に置く。

似た意味の表現