成语是一种定型、定义、惯用的固定短语。它由一个以上的词构成，却作为一个词使用。成语的来源有四：百姓口语，如：说三道四，贫嘴薄舌；古代寓言，如：削足适展，亡羊补牢；历史故事，如：割席分坐，滥竿充数；古典作品，如：汗牛充栋，妒贤嫉能，己所不欲勿施于人。成语的 Idioms are stereotypes, definitions, and idiomatic fixed phrases. It consists of more than one word, but is used as a single word. There are four sources of idioms: ordinary people spoken, such as: irresponsible remarks, pale tongue; ancient allegory, such as: cut enough to adapt, make up for the deficiencies; historical stories, such as: cut seats, excessive charge; classical works, such as : Khan cattle filled, jealous Yin envy, do not do what you do not impose on others. Idiom