come up—
1. (of plants) appear above the soil:
- I sowed some beans three weeks ago, but they haven’t come up yet.
2. (of a question, etc.) arise; be mentioned:
- His name came up whenever the matter of nuclear energy was discussed.
3. (legal) be considered (in a court of law):
- The paper announced the cases that were to come up at the assizes the following day.
4. (of an opportunity, etc.) arise; occur:
- I’ll let you know as soon as a vacancy comes up.
5. rise in status, rank, etc.:
- That politician has come up in my opinion since I heard his last speech.
go up—
1. (of the curtain) rise:
- The lights went down and the curtain went up.
2. be constructed:
- New universities went up at a fantastic rate in the 1960s.
3. = come up 5:
- Jane has gone up in my estimation since she did that.
4. move to the next higher class at school:
- Did all the children go up at the end of the year?
5. (of prices, etc.) rise; increase:
- Everything seems to be going up these days: coal, groceries, rents.
6. be shattered by explosion:
- The munition factory went up when the bomb fell on it.