one of those things

one of those things

An unexpected or random occurrence. This phrase is often used when one wants to dismiss something without further discussion or concern. A: "I thought you weren't coming!" B: "Oh, you know, my schedule cleared up at the last minute—it was just one of those things." Getting sick is just one of those things, Mom. Don't worry about it!
See also: of, one, thing, those
Farlex Dictionary of Idioms.

(just) one of those things

used to indicate that you wish to pass over an unfortunate event or experience by regarding it as unavoidable or to be accepted.
See also: of, one, thing, those
Farlex Partner Idioms Dictionary

(just) ˌone of those ˈthings

used to say that unfortunate things do happen sometimes and we must accept this fact: He doesn’t love me any more and there’s absolutely nothing I can do about it. It’s just one of those things.
See also: of, one, thing, those
Farlex Partner Idioms Dictionary
See also:
  • better late than never
  • for the best
  • all for the best
  • human interest
  • bonus
  • Bonus!
  • if I had (some monetary unit) for every (something)
  • chain reaction
  • a one-off
  • stroke of fortune
References in periodicals archive
I thank you for it, but in truth you owe the Observer no apology--it was just one of those things that happen in the heat of publication.
LETTERS
Jefferson said: "The injury was one of those things. He stood in his box for three months-there was no need for an operation-but he's right now.
STRATFORD: Toff's back in top order
He told me: "It's just one of those things. At the time I thought this has wrecked my day."
NIGEL JOKES ABOUT AGONY
"I thought this was one of those things they just never got around to changing....
RELIGIOUS TEST FLUNKS
It's been one of those things in earth science where people know it goes on, but no one to date had really developed a good way of measuring it, so it's generally not talked about,' says Burnett.
Seep and ye shall find: hidden water flow
"Then in the second half, it's one of those things again when you're on top and you lose concentration for a split second and it costs is a goal.
Robinson's relishing fight ahead