Misfire, bad spark timing, bad engine mountings.
Shake Tremble Jittery
Shake
quake
Another word for shake is "Tremble".
To tremble.
shake; tremble
Tremble or shake
The quiver holds arrows. Quiver also means "to shake or tremble."
As far as I have been told if it is shaking it needs balancing in the tires, if the wheels when you drive are shifting for one particular direction (left or right without being intended) then it needs wheel alignment.
it is : -shiver -tremble -shake
Shake Tremble Jittery
tremble.