B1
to try to do something, especially something difficult
Dictionary examples:
I attempted to learn ten languages in one week. I can now say 'hello' wrong in ten languages. (0.0)
She attempted to teach her cat to bark. The dog was very confused. (0.0)
He attempted to cook spaghetti in the coffee machine. It was a disaster. (0.0)
He attempted to escape through a window. (24.8)
There's no point in even attempting an explanation - he'll never listen. (55.6)