I bought fewer DVDs this time since I didn't have much money on me.
由于身边带的钱不多,我只买了几部影碟。
There was less noise in the room after the speech ended.
当演讲结束后,房间里安静了许多。
A few books were left on the table.
桌上只留下了几本书。
Can you get a little sugar out of the cabinet?
你能从橱柜里拿些糖出来吗?
然而还要知道,一般认为fewer更正式一点,所以你可能听见人们在可数和不可数名词之前都用less。口语中这样使用不能算错,但是在书写、或者正式讲话中人们会注意这点,并认为这是错误的用法。