( 以d开头 ) not safe（填词）这个呢?

not clean 同义词（以d开头） He was very d ,because he didn't win the race.填词,以“d” 开头 英语填词题I keep a 什么（d开头的）every day. It's not safe Its not safe enough (Not safe)等于什么 We'd better play it safe.此处safe为何不是adv.如何划分这个句子成份? Not that safe的意思 以d开头d结尾的英语单词 以Not once did开头造句 it's not all about ...这个句型怎么翻译呢?以it's not all about competit not old 的近义词,要求开头字母以y开头；not light 的近义词,要求开头字母以h开头