М221
ШЕВЕЛЙТЬ/ПОШЕВЕЛЙТЬ (ШЕВЕЛЬНУТЬ) МОЗГАМИ
highly collШЕВЕЛЙТЬ/ПОШЕВЕЛЙТЬ МОЗГОЛ
substand ВОРОЧАТЬ МОЗГАМИ
substandVPsubj:
humanoften
infin with надо or нужно, or
imper to think hard (trying to understand, come up with etc sth. ): пошевели мозгами - use your brain (head, noodle etc)
set your mind to it(you'd better) rack your brainsput on your thinking cap.