Çocuk tökezledi ve dizlerinin üstüne düştü.
- The kid stumbled and fell to his knees.
O bir el arabası üzerine tökezledi.
- She stumbled over a wheelbarrow.
I always stumble over verbs in Spanish.
He stumbled over a rock.
... When you pick up a newspaper, you often stumble across lots ...
... has never been easy sometimes we stumble ...