Was heißt »begriffsstutzig« auf Englisch?

Das Adjektiv begriffsstutzig lässt sich wie folgt von Deutsch auf Englisch übersetzen:

Deutsch/Englische Beispielübersetzungen

We were too slow.
It's slow going this week.
Sorry to be slow replying.
"Are you making good progress?" "It's slow going." "But still!"
The going is slow.
Welling up between the stones is a small spring, its water sparkling in the sunlight that has found its way through the wood's dense foliage.
Welling up between the stones is a small spring, its water sparkling in the sunlight that has found its way through the dense foliage of the forest.
The fog's very dense.
My internet connection has been really slow lately.
You can count on him – he's got a lot of experience. And yes, he's got a lot of self-confidence, but he never boasts about his achievements. Bear in mind, though, that he's slow.
You can count on him. He's very experienced. And although he does have a great deal of self-confidence, he never boasts about his achievements. You should know, however, that he is slow.
The medication can only slow the disease's progress; it can't bring it to a halt.
My computer is slow.
"When are you finally going to be finished here? I want the room back." "Not yet. If it's too slow for you, lend a hand, instead of constantly mooching about the place."
It was as if we were watching a film playing in slow motion.
It was as though we were watching a slow-motion film.
It was as if we were watching a slow-motion film.
The negotiations are making slow progress.
The service is slow.
How do you manage to be so slow?