It works, but some design problems rear their ugly head as well.

它可以正常工作，但是一些设计问题也显现出来。

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I see their ugly and their beauty, and I wonder how the same thing can be both.

我看到他们的丑恶和美好，我很好奇，人类怎么能够同时兼具善与恶？

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When they sense the sheep grazing, they pop their ugly heads out of the ground and bite the sheep on the nose.

当它们闻到了羊的气味，就会从洞里探出它们那丑陋的头，在羊的鼻子上咬一口。

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The study observed people in a shopping--in a parking lot of a supermarket and found that parents were a lot rougher to the kids if their kids are ugly than if their kids are good looking.

研究人员在一个超市的停车场里观察,并发现父母对丑小孩的态度,会比对漂亮小孩的态度更粗暴。

耶鲁公开课 - 心理学导论课程节选

The real cradle of anti-Semitism is the intolerance and prejudice that rear their ugly heads irrespective of national borders.

ECONOMIST: On the diaspora

This is the first of two big problems that have reared their ugly heads in the past few days.

ECONOMIST: Praying for a break | The

Macroeconomic factors like high gas prices and a slumping housing market are already rearing their ugly heads in the larger retail world--witness the downbeat April sales numbers that came out on May 10.

FORBES: Magazine Article