中文摘要：

通过COCA语料库，运用DDL研究方法，分析研究了短语JUST ABOUT的搭配、类联结、语义韵及语用情况。结果表明，JUST ABOUT在美式英语中可以和动词不定式、名词、形容词、副词、限定词、数量词和介词短语以及从句搭配，对表达模糊性这一相似语义特点的不定代词、不定限定词和表时间地点的不定副词具有很强的吸引力。该研究有助于引导语言教学者进行恰当性教学，有助于引导语言学习者不断提出问题，利用类似COCA的动态在线语料库进行归纳进而得到自己想要的语言知识，从而培养学生自我学习意识。

英文摘要：

With the application of DDL,based on Corpus Linguistic,the study is done on collocation,colligationand prosody of“just about”,and its pragmatics is analyzed after retrieving the phrase“just about”in COCA corpus.The results show that“just about”collocates with infinitives,nouns,adjectives,adverbs,determiners,quantifiers,preposition phrases and sub clauses.It has a strong appeal to such words with similar semantic features that expressfuzziness,like indefinite pronoun,indefinite determiner,and indefinite adverb which express time and places.Thisresearch helps language teachers teach appropriately and learners learn by raising questions and deducing resultsthrough online dynamic corpus like COCA so as to cultivate students’self-learning consciousness.