change gears, shift gears

changing gears

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

to drive

driving, steering (a vehicle)

車: car; wheel

transmission, a gearbox (a mechanical assembly of gears that changes the torque and speed of shaft rotations)

transmission, gearbox (mechanical assembly of gears that changes the torque and speed of shaft rotations)