Šprt nepotřebuje tahák ... jak to ale přeložit do angličtiny?

Šprt: swot swɒt (British English) (US grind ɡraɪnd) (informal, disapproving) - a person who spends too much time studying; 

Tahák crib (informal) - written information such as answers to questions, often used dishonestly by students in tests - a crib sheet. 

Odpověď na úvodní otázku:
A swot doesn't need a crib sheet...