deaf：adj.聾的;耳聾的人;聾子;不愿聽;不去注意

　　比較級： deafer最高級： deafest

　　例句：

　　Many deaf people have feelings of isolation and loneliness

　　很多失聰者都有孤獨無助的感覺。

　　The primitive surgery of those days left him virtually deaf in one ear

　　那時候簡陋的外科手術(shù)讓他一只耳朵幾乎失聰。

　　Many other countries have turned a deaf ear to their cries for help.

　　很多其他國家對他們的求助置若罔聞。

　　I'm quite deaf — you'll have to speak up.

　　我耳背——你得大聲說。