add up
2.PHRASAL VERB 短语动词合乎情理；说得通 If facts or events do not add up, they make you confused about a situation because they do not seem to be consistent. If something that someone has said or done adds up, it is reasonable and sensible.
【语法信息】：V P
【搭配模式】：usu with neg
Police said they arrested Olivia because her statements did not add up...
警方说他们之所以逮捕奥利维娅是因为她无法自圆其说。
Well, I could be wrong, but it all seems to add up.
嗯，我也不一定对，但是一切似乎都讲得通。
3.PHRASAL VERB 短语动词积少成多；聚沙成塔 If small amounts of something add up, they gradually increase.
【语法信息】：V P
Even small savings can add up...
甚至从小处节省下来的钱也能积少成多。
It's the little minor problems that add up.
就是小问题才会累积。
