名词牛肉，体力，肌肉
1. beefs的近义词
1. China beefs up its efforts to crack down on Intellectual Property Right infringement cases.
2. South Africa beefs up security forces around stadiums to hold the 2010 world cup games before the soccer gala unfold its curtain.
3. The new system beefs up security and aims to prevent identity fraud of travel visas issued by EU nations.