Answer:
1. hyperbole
2. understatement
3. understatement
4. hyperbole
Step-by-step explanation:
hyperbole is when something is exaggerated: my headache is killing me, I'm so embarrassed I might drop dead, "is ir broken?" cried the child, clutching his grazed knee, etc.
by understating something, you are minimising it or it's effect: "Oh, its just bruised" he said, holding his crooked arm, it's not a long walk - about 30 or 40km