Synonym : awkward clumsy maladroit inept gauche

 Awkward clumsy maladroit inept gauche mean not marked by ease (as of performance, movement, or social conduct). 

Ria' s mother Tina rebuked her due to her clumsiness (uneasiness in performing general things) in handling tea pot. She may not be inept ( inadequate in competence) but a bit maladroit (one who creates awkward situation, not skilled at hands) . Her mother was trying to remove her gaucheness(  unsophisticated and socially awkward.)