sum up

intransitive transitive

(transitive, intransitive) To produce a total by adding. / (transitive, intransitive) To summarize.

Japanese Meaning

合計する / 要約する

If you sum up the receipts from last month, you'll see where most of your expenses went.

先月の領収書を合計すると、どこに経費が多くかかっているかが分かります。

Sense（1）

(transitive, intransitive) To produce a total by adding.

We summed up the donations and found that we had just enough to pay the bills.

Sense（2）

(transitive, intransitive) To summarize.

So, to sum up your argument, what you are saying is that it is impossible.

sums up

（ present singular third-person ）

summing up

（ participle present ）

summed up

（ participle past ）

summed up

（ past ）