mindmap root((哀恸)) grieve implies actual mental suffering, whether it is shown outwardly or not and connotes the concentration of one's mind on one's loss, trouble, or cause of distress: still ~s for his dead child. mourn stresses the outward expression of grief, sincere OR conventional, and usually suggests a specific cause such as the death of someone loved or respected: a nation ~s the loss of its hero. sorrow interchangeable with either grief or mourn when sincere mental distress is implied, stresses the sense of regret or loss and of deep sadness and suggests an inner distress rather outward expression of grief: ~ed with great dignity.