Was heißt »unvermittelt« auf Englisch?

Das Adjektiv »unvermittelt« lässt sich wie folgt von Deutsch auf Englisch übersetzen:

Deutsch/Englische Beispielübersetzungen

Auf die vom Reporter unvermittelt gestellte Frage hin wirkte sie ratlos.: She looked puzzled at the abrupt question posed by a reporter.
Sie gab mir unvermittelt einen Kuss.: She suddenly kissed me.
Die Geschichte endete unvermittelt.: The story concluded abruptly.
Jedes Mal, wenn Tom und Maria kurz davorstanden, sich zu küssen, kam jemand unvermittelt ins Zimmer.: Every time Tom and Mary were about to kiss, someone came suddenly into the room.

I'm glad I saw you at the station yesterday. It really was an unexpected pleasure.
I'm glad to have met you at the station yesterday. It really was an unexpected pleasure.
For Tom, getting sacked was an unexpected shock.
He was surprised by the unexpected outcome.
Record flooding in Australia this week has had an unexpected consequence, driving hordes of spiders–including one of the world’s deadliest species–out of their usual habitat and into homes and backyards.
Tom's arrest wasn't unexpected.
We've encountered some unexpected obstacles.
No doubt something unexpected was happening.
No doubt something unexpected happened.
All of a sudden, Bello broke loose from his lead, bolted towards the river and leapt in. Only now do we realise the reason for this unexpected behaviour lay in the fate of a drowning fawn which the dog pulled up on the bank and thus rescued.
Taking the last train is always an adventure full of unexpected twists and turns.
I know that it's a little unexpected.
To what do I owe the unexpected honour of finding you here in my house?
Tom got an unexpected visit from Mary.
An unexpected error has occurred.
In the evening light, the sandstone façade of the Romanesque basilica lit up with an unexpected splendour of colours.
And then something unexpected occurred.
It was totally unexpected.
This is totally unexpected.
Nothing unexpected happened.