They were called before the House Un-American Activities Committee and blacklisted.

他们被传唤到到议会的反美活动委员会前并被列入了黑名单。

《柯林斯英汉双解大词典》

He used the same cinematographer, Owen Roizman, to create a dark, intense atmosphere which was very un-American at the time.

他使用了同一个的电影摄影师，欧文•鲁伊兹曼，创造了一种当时美国人很不习惯的阴暗紧张的氛围。

《柯林斯英汉双解大词典》

In a land so devoted to the pursuit of happiness as ours, crying really is rather un-American.

在一块人们如此专心致志追求幸福的土地上，哭的确不是美国人的特点。

youdao

Administration officials called the idea of burning Qurans "un-American."

VOA: special.2010.09.11

And once again, its about the journey. Its about locality. So we want people to pinpoint where they are now and to tell a story related to their own immigrant experience. One woman in Indianapolis,Indiana wrote about feeling very un-American while celebrating the Thanksgiving holiday with her parents.

VOA: special.2010.03.03

He IS going to loose but I think a message should be sent that the American people will NOT tolerate anyone who has CLEARLY conducted some of the most UN-AMERICAN activities that anyone running for president has ever done (at least that we know about).

FORBES: Move up http://i.forbesimg.com t Move down

You have to root against all New York teams, in my opinion, or you're un-American.

NPR: Really Important Football Game Coming

But settling for anything less than 5, 000 square feet of methyl-green turf seems, well, almost un-American.

FORBES: Magazine Article