(w)

(chóu) to worry about

愁眉苦脸 (w)

(chóuméikǔliǎn) frowning and worried (idiom); showing concern

愁绪 (w)

(chóuxù) melancholy

愁肠 (w)

(chóucháng) anxiety; worries

愁肠百结 (w)

(chóuchángbǎijié) hundred knots of worry in one's intestines (idiom); weighed down with anxiety

愁苦 (w)

(chóukǔ) anxiety; distress