2 If a sign goes up, it is fixed into position. -- (告示牌等)被竖立;(公告等)被张贴
4 If you go up to a college or university, especially Oxford University or Cambridge University, you begin studying there, or continue studying after a holiday. -- 上大学;(假期结束后)返回大学(尤指牛津大学或剑桥大学)
Train fares are going up again.
The curtain went up on another performance.
The area has recently become very fashionable and house prices are going up.