We say he is hot under the collar.

VOA: special.2009.12.06

For instance, are blue collar workers at the university getting paid a decent wage, are they compensated fairly.

比如，大学工人们,的报酬是否过低，他们是否获得应有的补偿。

普林斯顿公开课 - 人性课程节选

So, imagine the pig has a heavy collar and to reward the pig for walking forward you might remove the heavy collar.

所以，想象这头猪带着很重的项圈,作为对这头猪向前走的奖励,你可以把项圈拿掉。

耶鲁公开课 - 心理学导论课程节选

"The economic crisis has been affecting the labor, has been affecting the students, has been affecting office,white collar,the blue collar - the people are not going to be patient considering the situation right now;

VOA: standard.2009.03.09

But finally,there was a significant difference on alcoholism, the number of people who became how many people were able to getting to do "the white collar" jobs.

酗酒方面两组有显著差异，酗酒人数有差异,成为白领的人数,两组有差异。

哈佛公开课 - 幸福课课程节选

I looked and I said,hey, that's skateboarding on snow. That's perfect for me." And he's still at it 27 years later in a career that has included not only injuries like a broken collar bone, broken ankles and torn knee ligaments, but also a liver transplant.

VOA: standard.2010.02.26