1. add up to

合计达；总括起来意味着。此语本义指"合计为"，在日常生活中多用喻义，即"总括起来意味着".在使用中应注意与"add up"一词的区别。"add up"本指"把 … 加起来"，其喻义为"言之有理，说得通"，如：The facts just don't add up.（这些事情合计起来不对头。）

A: The cashier said he had locked the safe before he left. 出纳说他走时把保险柜锁上了。

B: But how did the money disappear from it if it was locked? 如果锁上了那钱怎么没的？

A: I just wonder …… 我只是奇怪……

B: What do you think it all adds up to? 你想这一切意味着什么？

A: It adds up to the fact that we have been cheated. 意味着我们被骗了。

2. agree to differ

求同存异。指的是"各自保留不同意见（不再说服对方）"，意即"求同存异".

A: What do you mean? 你是什么意思？

B: Considering the major contracts they might give us, I overlooked the small loss. 考虑到他们可能与我们签订大宗合同，小小的损失我就忽略不计了。

A: So you agreed to differ? 所以你就求同存异？

B: That's right. 没错。

3. all told

合计；总之。此语原义为"总计，合计"，引申为"总之".如：All told，it was a great credit to them.（总之，这给他们大大增了光。）

A: How many people attended today's meeting? 有多少人参加了今天的会议？

B: There were seventeen of us at the meeting, all told. 一共有十七个人。

A: Issue an announcement that if somebody doesn't attend meeting next time, his or her bonus will be deducted. 发布一则通知，就说如果有人下一次不参加会议，他或她的奖金全扣。

4. all wet

搞错了。wet原义为"湿的"，引申为某人"没经验".All wet多见于美国俚语，意为"大错特错".

A: I made a reservation two days ago. My name is David Johnson. 我前天在这儿预订了房间，我叫戴维-约翰逊。

B: Reservation? What do you mean? 预订？什么意思？

A: I booked a single room here for tonight. 我订了一间今晚的单人房。

B: Oh! You're all wet, actually. This is not a hotel. The hotel is the building across the road. 哦，你搞错了。这不是旅馆，旅馆是路对过的那座楼。