labor/belabor the point

: expenditure of physical or mental effort especially when difficult or compulsory

: human activity that provides the goods or services in an economy

: the services performed by workers for wages as distinguished from those rendered by entrepreneurs for profits

: to exert one's powers of body or mind especially with painful or strenuous effort : work

: to move with great effort

: to be in the labor of giving birth

: of or relating to labor

: of, relating to, or constituting a political party held to represent the interests of workers or made up largely of organized labor groups

: to attack verbally

: to beat soundly

: to explain or insist on excessively

: an individual detail : item

: a distinguishing detail

: the most important essential in a discussion or matter

: to furnish with a point : sharpen

: to give added force, emphasis, or piquancy to

: to scratch out the old mortar from the joints of (something, such as a brick wall) and fill in with new material