讲解文本：
take someone by surprise 使感到意外，给某人一个措手不及 What you said really took me by surprise. 你说的话真的让我措手不及。 Let's keep this plan secret , so we can take them by surprise. 让我们先将这个计划保密，这样才能给大家惊喜。
疯狂练习吧！
