grievance

A real or perceived wrong or cause for complaint, especially unfair treatment at work or in an institution.

• grieve/ɡriːv/(v)悲伤
• aggrieved/əˈɡriːvd/(adj)感到委屈的

• air a grievance
• file a grievance
• legitimate grievance
• grievance procedure
• long-standing grievance

1. 1.The union filed a formal grievance against the company for violating the collective agreement. (workplace complaint)
2. 2.Addressing citizens' grievances before they escalate is essential for social stability. (cause for complaint)

• complaint/kəmˈpleɪnt/— an expression of dissatisfaction — more general
• injustice/ɪnˈdʒʌstɪs/— unfair treatment
• resentment/rɪˈzɛntmənt/— bitter indignation — the feeling, not the cause

from Old French "grevance" (burden, hardship) — "grever" (to burden) from Latin "gravare" (to weigh down) — "gravis" (heavy)