intrigue 　　vt. 激起...的好奇心(或兴趣)，迷住 　　vi. 耍阴谋，施诡计 　　n. 阴谋，诡计，密谋 　　A: I found a piece of evidence that is intrinsic to our case. 　　B: Gosh, why did we not realize it sooner? 　　intrinsic 　　a. 固有的，本质的，内在的 　　A: I don’t mean to intrude, but can I join your conversation? 　　B: Don’t worry, you are not interrupting anything private. 　　intrude 　　vi. 侵入，侵扰，打扰 　　A: My intuition told me that he is bad news. 　　B: Yes, I never trusted him either. 　　intuition 　　n. 直觉 　　A: I am afraid this is the only piece of identification that I have. 　　B: But it is out of date which makes it invalid. 　　invalid 　　a. 1.(指法律上)无效的，作废的;2.无可靠根据的，站不住脚的 　　n. (需要有人照顾的)病弱者，残疾者 　　A: Your help was invaluable to me, thanks. 　　B: Don’t mention it, it was my pleasure. 　　invaluable 　　a. 非常宝贵的，极为贵重的，无价的