Biānyuánxíngréngé zhàng'ài de huànzhě qíngxù bōdòng hěn dà.
Patients with borderline personality disorder have extreme mood swings.
Tips
usage
边缘 here is a translation of 'borderline' - historically named because symptoms sit on the 'border' between neurosis and psychosis. In casual use Chinese speakers drop 障碍 and say just 边缘型人格, same way English shortens BPD casually.
