Fluff the pillows after you use them. 用过枕头后把它们抖松。
When he’ s frightened, the cat fluffs up his tail. 猫害怕时就抖起尾巴。
She started to fluff tasks that should have been childishly simple. 她开始出错，把本来对小孩子来说都很简单的任务搞糟了。
fluff your lines (=say them badly when acting in a play) Try not to fluff your lines! 念错台词