(MAKE AN EFFORT) [verb] [T] - to cause (yourself) to make an effortShe'll have to exert herself more than she does now if she wants to succeed in sales.(figurative) Please don't exert (= hurt) yourself, I can carry some things too.
EXERT
Meaning of EXERT in English
Cambridge English vocab. Кембриджский английский словарь. 2012