These three phrases mean basically the same thing. If necessary, the reason they will grieve can be stated clearly. Alternate translation: "The fishermen who catch fish with hooks or nets will cry in despair because the fish in the Nile have died" (See: [[rc://en/ta/man/translate/figs-explicit]] and [[rc://en/ta/man/translate/figs-parallelism]])
In order to catch fish, some people put a little food on a hook, tie the hook to a string, and throw the hook into the water. When a fish tries to eat the food, its mouth gets stuck on the hook, and the person pulls the fish out of the water. (See: [[rc://en/ta/man/translate/translate-unknown]])
# cast
throw
# spread nets on the waters
In order to catch fish, some people toss a net on the water. When fish get caught in it, they pull the net with the fish out of the water. (See: [[rc://en/ta/man/translate/translate-unknown]])