In English, there are several idioms that use “get sick“. Look at the chart below and study the definitions and meanings.
Think about it:
Have you ever put your hand on your hot forehead and said, “I think I’m getting sick…”? ( I am beginning to feel sick)
Do you get sick from seafood? If so, what seafood.. You can say: “I get sick from eating shrimp.” “I get sick from eating peanuts.“
Have you even been on a diet? Did you become sick of it? You can say: “I am sick of my diet.” “I am sick of driving to work everyday.”