squirm verb
ADV. uncomfortably | silently | visibly
VERB + SQUIRM make sb The very mention of her singing made her squirm uncomfortably.
PREP. at He squirmed visibly at the thought of his secret being revealed. | in/with He squirmed with embarrassment.
You can also check other dicts: squirm (English, 中文解释 ), wordnet sense, Collins Definition