We can't afford to slip up.

我们疏忽不得。

《牛津词典》

We can't afford to wait.

我们等不起。

《柯林斯英汉双解大词典》

I can't afford to run a car on my salary.

我的工资养不起汽车。

《牛津词典》

In some African countries, health officials say they can't afford to meet international standards for AIDS treatment.

VOA: standard.2010.07.17

One is, he can't afford to have his hoplite line outflanked, because if I can come around and take care of this guy from this side, he is engaged with a guy who's right opposite him, I can just kill him no problem at all.

一点是,他不能让方阵的侧翼被包围,因为如果我调转方向,从这边对付他,他正在和正面的敌人交战,我干掉他就是小菜一碟儿

耶鲁公开课 - 古希腊历史简介课程节选

But when you look at the bill, it is very expensive and you can't afford to pay that.

但当你看见账单时，你才发现这太贵了，你负担不起。

I can 课堂 - SpeakingMax英语口语达人

Men who earn less money are safer choices because they can't afford to leave the marriage.

FORBES: Magazine Article

Many of them live a subsistence existence and they can't afford to get here.

BBC: Mobile technology battles HIV

"Cities can't afford to close their eyes and hope for the best, " he said.

WSJ: Clinton announces Latin America initiative