... drag one’s feet → 拖拖拉拉，磨蹭 do some serious shopping → 大采购 do sth on/at short notice → 没有警告，没有准备而突然做某事 ...
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She is going to Vegas again, she says, to do some serious shopping, before she gives birth in the new year.
她说，在新年生孩子前，她还去拉斯维加斯做一次重大的采购。
But father was serious, and he said he was going to do some shopping first. he didn't know what to buy. so mother wrote all the things on a piece of paper.
不过爸爸是认真的，他说他先要去买东西。他不知道要买什么。所以，妈妈把所有的东西写在一张纸上。
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