柯林斯词典beef up (beefing,beefed,beefs) 1. PHRASAL VERB If you beef up something, you increase, strengthen, or improve it. 加強 ...a campaign to beef up security. …一場加強治安的運動。 Both sides are still beefing up their military strength. 雙方仍在增強各自的軍事力量。 返回 beef up