deeply worried and sick at heart; care-laden or heavyhearted

(bound form) describing a state of being heavyhearted, deeply worried, or anxious; often used in the phrase [[忧心忡忡|憂心忡忡|you1 xin1 chong1 chong1]]

Severe heart palpitations or a racing heart in traditional Chinese medicine, often accompanied by restlessness

feeling terrified, panicky, or uneasy