out of the blue
中級 (B1) informal
Something that happens with no warning at all.
"Out of the blue, she called me after five years of silence."
文脈の中で聞く
MAURY POVICH Talks Drama, Conflict and Why We Can't Look Away
The Adam Friedland Show · 48:30
Out of the blue.
How did Earth form?: Crash Course Geology #2
CrashCourse · 7:05
out of the blue.
Inside Pakistan’s Most Dangerous City (surreal)
Yes Theory · 13:15
Then out of the blue,
The Office BUT Everyone Gets Hurt
The Office · 29:05
Alone, out of the blue.
I Did Not Buy a Ticket
ConnorDawg · 27:25
Something happened out of the blue.