The term "Ugly American" comes from people travelling with the attitude that people are, or should be, the same everywhere.

“丑陋的美国人”这一词语来自去国外旅行的美国人认为所有人都应该一样的态度。

《柯林斯英汉双解大词典》

In fact, Andersen used to be an ugly duckling when he was young.

事实上，安徒生年轻的时候曾经是一只丑小鸭。

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Plastic bags may be ugly to look at.

塑料袋可能看起来很丑。

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Things very quickly get ugly and you might even already be feeling this tension in Scratch if you're dragging and dropping and moving things around.

是不是很丑呢,如果东丢一点，西落一点,你很快就会不爽了。

哈佛公开课 - 计算机科学课程节选

Something might be short at one point and become tall at another point, ugly at one point and become beautiful-- like the ugly duckling.

一个事物可能在某一时刻很矮,然后在另一时刻又会变高,某一时刻很丑,然后变得很美,就像丑小鸭一样

耶鲁公开课 - 死亡课程节选

and I don't know how to phrase this in a politically correct way, but the parents of ugly kids are likely to themselves be ugly people and maybe what they're finding is just ugly people are more violent than good-looking people.

我不知道怎么用不会引起政治争论的话来说，但丑小孩的父母往往也长得丑,也许这个研究的发现是长得丑的人,比长得好看的人更粗暴。

耶鲁公开课 - 心理学导论课程节选

The result could be ugly: Bangladesh would almost certainly have fewer birthdays to celebrate.

ECONOMIST: Bangladesh

But any reorganisation would be ugly, from a financial as well as an ecclesiastical perspective.

ECONOMIST: Female bishops

's decade-old Kyoto Protocol on reducing carbon emissions, and it will be ugly and rancorous.

FORBES: Paul Maidment On Energy