学个词 Learn a Word-VOA英语教学 3211 rev up

今天我们要学的词是 rev¹ up.

rev 用作动词是指引擎转速加快，常常和up连用，意思就是加速。Italy's big budget, intended to rev up the economy and help businesses, is instead likely to set back those efforts. 意大利巨大的预算原本是要推动经济发展和帮助企业，但却正在挫败这些努力。

The Federal Reserve continued to signal increases in interest rates, a message that could backfire as President Trump² and Congress want to rev up the economy. 美联储继续发出可能加息的信号，这会随着特朗普总统和国会希望经济加速发展而引起反弹。

1 rev   

v.发动机旋转，加快速度

参考例句：

• It's his job to rev up the audience before the show starts.他要负责在表演开始前鼓动观众的热情。
• Don't rev the engine so hard.别让发动机转得太快。

2 trump   

n.王牌，法宝；v.打出王牌，吹喇叭

参考例句：

• He was never able to trump up the courage to have a showdown.他始终鼓不起勇气摊牌。
• The coach saved his star player for a trump card.教练保留他的明星选手，作为他的王牌。