学个词Learn a Word 第886期 think twice

今天我们要学的词是think twice。 Think twice, 三思而后行。"You need to think twice before making the investment," 投资前，最后多想想，考虑清楚。过节送礼能送宠物吗？"Experts say you'd better think twice before giving someone a pet as gift," 专家说，要送宠物给别人，最好事先想好。

圣诞节当天美国发生炸机未遂事件后，机场纷纷加强安检措施。"The new security¹ measures will make air travelers think twice before booking tickets," 新的安全措施会让飞机乘客在订票前再三考虑。好的，今天我们学习的词是think twice...

1 security   

n.安全，安全感；防护措施；保证(金)，抵押(品)；债券，证券

参考例句：

• A security guard brought him down with a flying tackle.一名保安人员飞身把他抱倒。
• There was tight security at the airport when the President's plane landed.总统的专机降落时，机场的保安措施很严密。