Sometimes, if you defer twice in a row, the other person will give up. But it's not good to defer too many times on a single request, as it makes you look bad.

有的时候如果你连着拖延了两回，那个人就会放弃了，当然老是拖延一件事也不好，这会让别人觉得你人品有问题。

youdao

But if you are buying only because it looks like a cheap biotech stock at 36 times earnings, you should look twice at those earnings.

FORBES: Elan's spin