verb
BAD : It was so cold that I couldn't stop trembling.
GOOD : It was so cold that I couldn't stop shivering.
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You tremble when you are afraid, nervous, upset or excited: 'As she opened the envelope, her hands started trembling and she started to cry.' 'She trembled with excitement just at the thought of seeing him again.'
When you are cold, you shiver : 'I stoodat the bus stop shivering and wishing that I'd worn my coat.'