If, during the dream, its the dreamer himself/herself whos shaking, and the trembling is caused by fear of something or a decease, this is usually a warning that you need to take care of yourself if you wish to avoid any inconvenience or condition that you may suffer. This dream is provided that the trembling is not real and the person is already suffering some kind of illness thats making him/her shake.
Trembling dream meaning
Read more about dreaming of Trembling in other dream meanings interpretations.