deaf
/def/adjective
1- lacking the power of hearing or having impaired hearing聋的, 失聪的：
as plural noun the deaf subtitles for the deaf.给聋人看的字幕。
1.1
- unwilling or unable to hear or pay attention to something置若罔闻的：
she is deaf to all advice.
她对所有的建议都置若罔闻。
短语
(as) deaf as a post
- completely or extremely deaf极聋的。
fall on deaf ears
- (of a statement or request) be ignored by others（陈述, 要求）不被听取。
turn a deaf ear
- refuse to listen or respond to a statement or request置若罔闻; 毫不注意。
派生词
deafness
noun词源
Old English dēaf, of Germanic origin; related to Dutch doof and German taub, from an Indo-European root shared by Greek tuphlos 'blind'.