dotty: adj.1.有点子的；点子多的。2.有弱点的。3.〔口、方〕脚步不稳的。4.〔俚语〕疯疯癫癫的，半痴的。短语和例子be dotty on one's legs 脚步踉跄。 That's my dotty point. 那是我的弱点。 be dotty about a lass 迷恋一个姑娘。dottily adv.
spotty: adj.(-tier; -tiest)1.多斑点的。2.尽是污点的；(质量)参差不一的，不规则的。短语和例子In his youth， Wang received only a spotty secondary education. 王年轻时只受过不正规的中等教育。 Medical care in those hospitals is rather spotty. 那些医院
