That is. The explanations are added by St. Jerome. (Haydock)
Noemi had formerly a husband and two sons, with great riches, of which she was now deprived. (Worthington)
In describing loftily the sweetness of contemplation, you have renewed the groans of my fallen state, since I hear what I have lost inwardly while mounting outwardly, though undeserving, to the summit of rule. Know then that I am stricken with so great sorrow that I can scarcely speak; for the dark shadows of grief obscure the eyes of my soul. Whatever is beheld is sad, whatever is thought delightful appears to my heart lamentable. For I reflect on what a dejected height of external advancement I have ascended in falling from the lofty summit of my rest. And, being sent for my faults into the exile of employment from the face of my Lord, I say with the prophet, in the words, as it were of destroyed Jerusalem, “He who should comfort me has departed far from me.” … For I, my good man, have, as it were, lost my children, since through earthly cares I have lost works of righteousness. Therefore “call me not Naomi, that is lovely; but call me Mara, for I am full of bitterness.” - "Letter 1....