1. Characteristics of idioms (1)Semantic unity Each idiom is a semantic unity. The semantic unity can be reflected by the fact tha he meaning of an idiom is very often not the total sum of the meanings of the constituent words. The semantic unity can aslo be shown in the illogical relations between the literal meanings of the consitituent words and the meaning of the idiom
Woman complained of tightness in abdomen associated with belching wind which did not relieve feeling. Symptoms usually began between 5 and 6 p.m. lasing several hours. Relieved by White mixture. (D=Doctor, P=Patient)
John Locke (1632.8.29~1704.10.28) The 17th century English philosopher John Locke developed theories of empiricism that emphasized the role of human experience in the pursuit of knowledge and truth. Many of Locke's political theories influenced the authors of the Encarta Encyclopedia