Read the dictionary definition of trembling. All definitions for this word.
1. a shaky motion
1. the shaking of his fingers as he lit his pipe
2. vibrating slightly and irregularly; as e.g. with fear or cold or like the leaves of an aspen in a breeze
1. a quaking bog
2. the quaking child asked for more
3. quivering leaves of a poplar tree
4. with shaking knees
5. seemed shaky on her feet
6. sparkling light from the shivering crystals of the chandelier
7. trembling hands