Thinking of what happened last night, she still feels a lingering dread.
Tips
memory
悸 (jì) means 'heart pounding from fear.' Literally: 'in the heart (心) there is still (有余) a pounding (悸).' The fear is over but the body hasn't caught up.
usage
Typically used when recalling a past danger or trauma — accident, attack, near-miss. The danger itself must be past; present fear would be just 害怕.