The trouble with people is not that they don't know but that they know so much that ain't so.

人们的困扰不是他们不知道，而是他们知道太多他们并不知道的事。

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The trouble with those things is that within six months to a year, people are back to their original baseline levels of well-being.

问题是，在6个月到1年的时间内，人们的幸福感就会恢复到最初的基线水平。

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With the improved living conditions, people lead a stable and trouble-free life.

随着生活条件的改善，人们过上了稳定的、没有烦恼的生活。

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Now,people use the expression to mean to prepare for dealing with any kind of trouble.

VOA: special.2009.05.24

And in fact, when it's the only person just about everybody helps regardless of the color of the person in trouble but when you're with other people there's a big difference.

事实上，在一个人的情景里，任何人都会出手相救,不管陷入困境的人是什么肤色的,但当你旁边有其他人时，那差别就大了。

耶鲁公开课 - 心理学导论课程节选

Mr. URCOLA: Yeah, what happened is, I was doing my Master's at City College, but, you know, I was so busy traveling that I couldn't really go to the classes, and I had a little trouble with the people who were running the program.

NPR: 'Viva': Diego Urcola and His Dream Band

The company says the brains of people with the disease tend to have trouble breaking down sugar into energy.

WSJ: 'Medical Foods' and Supplements for Brain Health Advance

The terms under which Fred Wilpon and his company, Sterling Equities are negotiating a settlement with Irving Picard, the man seeking compensation for the Madoff victims, will likely turn one way or another based on the degree to which Picard can show that Wilpon or his people sensed any trouble with the fund before getting out.

FORBES: Madoff Trust Must Show Wilpon Saw Red Flags