1.Watch you like a hawk?"watch sb like a hawk "＂盯紧，将注意力都放在sth上＂
eg: When children reach age two, you have to watch them like hawks. 在孩子两岁时，你得时时注意他们．
I' m watching you like a hawk, so don' t do anything stupid. 我可盯着你呢，别做傻事．
2.Completely under wraps. "be under wraps "＂不为人知＂
eg: The politician thought the scandal was completely under wraps, but actually somehow someone found out. 这个政治家以为丑闻掩盖得很好，但实际上有人发现了．
I thought this project was under wraps, but everyone seems to know about it. 我以为这个工程没人知道，但看起来好象每个人都知道了．
3.No jurisdiction on American soil."jurisdiction "＂权限＂"sb has jurisdiction over sth "＂掌控sth，管理，控制sth＂
eg: The central government has jurisdiction over all of the local governments. 中央政府控制地方政府．
We can' t do anything about the crime since it happened outside of our jurisdiction in the next county.我们对这个罪犯无能为力，因为它发生在另外一个城镇里．