Students need someone to steer them through the mass of courses offered to them, to choose the best ones for their needs. 学生需要有人指导他们来应付为他们所开设的一大堆课程，从中选出最适合他们的课程。
The mass of clay was worked up into a reclining figure. 这堆粘土被揉成一个躺着的塑像。
The government is fighting a rearguard action against the mass of public opinion. 政府冒天下之大不韪负隅顽抗。
The mass of workers do not want this strike. 大多数工人不愿举行这次罢工。
