fair game

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a person who is the aim of an attack (especially a victim of ridicule or exploitation) by some hostile person or influence
- he fell prey to muggers
- everyone was fair game
- the target of a manhunt
• Syn:
prey, quarry, target
• Derivationally related forms:
target (for: target), prey (for: prey)
• Hypernyms:
victim