1、So who's really being un-American here?
那么，誰在這里真正是非美國的？

2、They were called before the House Un-American Activities Committee and blacklisted.
他們被傳喚到到議會的反美活動委員會前并被列入了黑名單。

3、House Committee to Investigate Un-American Activities
非美活動調(diào)查委員會

un-american翻譯