Was heißt »einfältig« auf Englisch?

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

Deutsch/Englische Beispielübersetzungen

The idea is as simple as it is inspired.
The idea is as simple as it is ingenious.
The idea is as simple as it is brilliant.
What had seemed simple turned out to be difficult.
Napoleon's plan was, as always, simple.
I can't tell her now. It's not that simple any more.
The instructions were very simple.
No work is simple.
It's very simple to use.
"Why don't you move to an area where there's more going on?" "It's not that simple. I'm married with kids–" "And your husband comes from round here." "My wife, actually. No, she's from Middlesbrough."
We have a simple but spacious flat in the historic centre of town.
Toki Pona teaches us that it is difficult to speak in simple terms.
Many criticise Tom's style of writing for being too simple.
From a flag-design point of view, this flag is unnecesssarily complex. The two blue bars are very simple indeed, but the centre image, unfortunately, is in almost photographic detail.
Other than this, things are not so simple.
Except for this, things are not so simple.
Aside from this, things are not so simple.
Aside from this point, things are not so simple.
Other than this point, things are not so simple.
With the exception of this point, things are not so simple.