滥竽充数，汉语成语，拼音是 làn yú chōng shù，比喻没有本领的人冒充有本领，占着位置，或拿次的东西混在好的里面充数。有时也用作自谦的话。
Indiscriminately, a Chinese idiom, pinyin is làn yú chōng shù, which is a metaphor for a person who has no ability to pretend to be capable, occupy a position, or mix inferior things in a good one. Sometimes it is also used as a self-humble word.
Radical of Mountain, 山字旁,山字头, shān zì páng,shān zì tóu。
例词 Example Words：
Stand straightly and mightily, 屹立, yì lì。
Standing tall and upright (like a hero), 高耸笔直地挺立(像一个英雄), gāo sǒng bǐ zhí dì tǐng lì (xiàng yī gè yīng xióng)。
cliff, 悬崖, xuán yá。
River bank, 河岸, hé àn。
peak, 巅峰, diān fēng。
☀ 东西 [dōng xī]
（东边和西边） east and west
（从东到西） from east to west:
例句：
这地方东西3公里， 南北5公里。This district is three kilometres across from east to west and five kilometres from north to south.
短语:
东西不对称性 east-west asymmetry;
东西构造带 eastwest structural zone;
东西距 {地测} easting; departure;
东西线 east-west line;
东西效应 east-west effect; asymmetric effect
井底之蛙，源于《庄子·外篇·秋水》中的一则寓言故事，成语“井底之蛙”和“坐井观天”均出自这则寓言，被用来比喻和讽刺比喻眼光狭隘且自以为是的人。
The frog at the bottom of the well is derived from a fable in “Zhuangzi · Waipian·Qiu Shui”. The idioms “frog at the bottom of the well” and “seeing the sky at the well” are both derived from this fable. They are used to metaphor and satirize the narrow-eyed and self-righteous people.