He's had no food at all. 他一点儿东西都没吃。
I haven't been at all well recently. 最近我身体糟透了。
I'm afraid I have nothing at all to say. 抱歉,我没有任何可说的。
Is there any uncertainty at all about the way she died? 对于她的死因,有任何疑点没有?
Why bother getting up at all when you don't have a job to go to? 你没工作,不用去上班,还起床干什么呢?