To grasp at

to catch at; to try to seize; as, Alexander grasped at universal empire,

See also: Grasp

References in periodicals archive ?
8 : to grasp at something eagerly <I snapped at the chance.
Misuse of words by those in the insurance business will continue to cause a judge and insureds to grasp at straws.
But it's clear that these earlier communicators had goals similar to those of us trying to make information easier to grasp at a glance on the screen.