N-COUNT [usually NOUN n]击败强大对手；以弱胜强 In sport, when a weaker team or competitor beats a much stronger, well-known team or competitor, their success is sometimes called a giant-killing . 击败强大对手；以弱胜强 [mainly British, journalism]
Scarborough are aiming to pull off a repeat of their giant-killing act against Chelsea three years ago.