This metaphor compares the weak victims of the Assyrian advance to fragile plants. Alternate translation: "as frail as plants and grass in the fields" or "as weak as shallow rooted plants" (See: [[rc://en/ta/man/translate/figs-metaphor]])
This continues the metaphor comparing the weak victims of the Assyrian advance to fragile plants in difficult conditions for growing fully. Alternate translation: "like grass before it has matured" or "like grass before it has grown tall" (See: [[rc://en/ta/man/translate/figs-metaphor]])