1、calculate

计算

From this you can calculate the total mass in the Galaxy.

由此你可以算出银河系的总质量。

We calculate that the average size farm in Lancaster County is 65 acres.

我们计算出兰开斯特郡的农场面积平均为65英亩。

估算;估计;推算;预料

I believe I am capable of calculating the political consequences accurately.

我觉得我能准确预料此事的政治后果。

The President is calculating that this will somehow relieve the international pressure on him.

总统预计这可以从某一方面缓解自己所承受的国际社会压力。

2、add up

合乎情理；说得通

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。

积少成多；聚沙成塔

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。