It will result in head pain, stomach problems and a feeling of tiredness after two to three hours.

VOA: special.2010.02.02

Also we will have students doing workshops and problem-solving where the students will solve problems as a group, a group of three and turn in a common work sheet.

我们还有学生做研讨会,以及问题解决,从而学生可以以三人小组为单位,解决问题,最后上交平常的作业。

麻省理工公开课 - 媒体、教育、市场课程节选

Then next week we'll do more complicated problems that involve motion in higher dimensions, how to go to two dimensions or three dimensions.

下周我们将会处理更复杂的问题,包括更高维数的物体运动,如何处理二维以及三维运动

耶鲁公开课 - 基础物理课程节选

The sixty-three year old coach has had operations to replace both of his hips and has problems with his back and knees.

VOA: special.2009.07.10

Yeah, there's like three letters there so that condition doesn't cause problems.

是哦，这里好像有三个字符,所以那个条件不会引起问题。

哈佛公开课 - 计算机科学课程节选

Three-person teams from each school had five hours to solve eleven real world problems.

VOA: special.2010.03.11

Keith faced some personal problems a few years ago that included a three-month stint in rehab.

VOA: standard.2009.04.19

"Based on the interests of the three countries, if we work together, if we analyze our problems and also explore solutions to those problems .

VOA: standard.2009.05.24

"The typical president,I think, has two or three big problems;

VOA: standard.2010.01.16

But rather than celebrating Nigeria's status as not only host nation but also defending champion of this event, local organizers and FIFA officials alike will instead be holding their collective breath, hoping that the country pulls through the three-week long tournament without any major problems.

VOA: standard.2009.10.22