Was heißt »kleinlich« auf Englisch?

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

Deutsch/Englische Beispielübersetzungen

In dieser harten kleinlichen Welt, wo nur das Geld regiert, ist seine Lebensart wie ein Atemholen in frischer Luft.: In this harsh, petty world where money does the talking, his way of life is like a breath of fresh air.
Tom ist nicht kleinlich.: Tom isn't petty.
Tom ersann einen listigen und überaus kleinlichen Plan, um sich an Maria zu rächen.: Tom devised a cunning and incredibly petty plan to get back at Mary.

I have no idea what this sentence could possibly mean.
One must never place a loaded rifle on the stage if it isn't going to go off. It's wrong to make promises you don't mean to keep.
I'm not very fussy.
Just because a pronunciation is nonstandard doesn't mean it's inferior.
Tom is very fussy.
Don't be so mean.
Tom isn't stingy.
Oh, Marilla, you don't mean to sell Green Gables!
What on earth did Tom mean?
When I tell you to come in at a certain time I mean that time and not half an hour later.
Matthew Cuthbert, you don't mean to say you think we ought to keep her!
I'm sorry. I didn't mean to scare you.
It says, 'flavor according to taste.' What does that mean? How can you tell? And what if my taste doesn't happen to be other people's taste?
Does that mean anything?
You don't really mean it, do you?
What does all this mean?
What do you mean by dangerous?
What do you mean by this expression?
"Tom and I went fishing." "Tom – you mean your brother?" "No, I'm talking about my friend."
Don't pretend you don't know what I mean.