期期艾艾

Explanation: Spit words to describe people who stutter repeat, do not speak fluently. 　　Usage: Joint type; as predicate, adverbial; describe stuttering 　　Source: Qian Han, "Historical Zhang Chengxiang Biography": "I can not mouth words, then minister of knowing not of." Southern Song Liu Yiqing "Shi words": "Deng Ai stuttering, language, said Ai Ai. " 　　Examples: Feelings of excitement that I say ~ a. (Mao Dun, "Corrosion of October 10") Thesaurus:  hem and haw