滥竽充数 làn yú chōng shù：sham/an ancient Chinese reed instrument like a pipe/pass off/number 
to pass oneself off as one of the players in an ensemble.the saying means to be there just to make up the number.
吹：chuī，to blow/play  
竽：an ancient wind instrument
待遇： dài yù  treatment,pay,salary
独奏 dú zòu：solo

乐读中文 (Lè Dú Zhōngwén) - "Joyful Chinese Stories"

滥竽充数[làn yú chōng shù]

如鱼得水[rú yú dé shuǐ]：like/fish/get/water；as fish getting to the water
This idiom is used to signify finding a boon companion or an ideal situation.
东汉末年 dōng hàn mò nián：In the late Eastern Han Dynasty
诸葛亮zhū gě liàng ：a statesman and strategist, prime minister of the Kingdom of Shu in the period of the Three Kingdoms.
刘备 liú bèi ：the founder of Han kingdom in the Three Kingdoms.
关羽 guān yǔ ：a general allied to Liu Bei, deified as God of War.
张飞 zhāng fēi：a general of the Three Kingdoms.
军师 jūn shī：military counsellor；
指点 zhǐ diǎn：give advice (directions);show how to do sth.
形势 xíng shì：situation；condition
提高tí gāo：improve；raise；increase
亲密 qīn mì：close； intimate:
服气 fú qì：be convinced
例如：在这个工作环境中，他如鱼得水，非常享受工作。
           zài zhè gè gōng zuò huán jìng zhōng,tā rú yú dé shuǐ,fēi cháng xiǎng shòu gōngzuò 。
           在游泳池里，他如鱼得水，游得非常快乐。
           zài yóu yǒng chí lǐ,tā rú yú dé shuǐ, yóu de fēi cháng kuàilè 。

如鱼得水 [rú yú dé shuǐ]

画龙点睛 [huà lóng diǎn jīng]：draw;paint/loong/touch lightly /eyes；
The idiom means bringing the painted dragon to life by putting in the pupils of its eyes,and it  emphasizes the critical adjustment or embellishment made after completing a task to achieve the best possible outcome.
南北朝 nán běi cháo：The Northern and Southern Dynasties in Chinese history
画家 huà jiā：painter
张僧繇 zhāng sēng yáo：A famous ancient painters
寺庙 sì miào：temple
墙壁 qiáng bì：wall
说大话 shuō dà huà：brag；boast；talk big
顿时 dùn shí：suddenly；at once
电闪雷鸣 diàn shǎn léi míng：the lightning flashed and thunder crashed
腾空 téng kōng：rise high into the air; soar

画龙点睛 [huà lóng diǎn jīng]

对牛弹琴[duì niú tán qín]：to;towards/cattle;ox/play/lute
 The idiom means taking to someone and expecting them to care or do something instead the other person just stands there and is not responding to you.
公明仪 gōng míng yí：a person‘s name in Ancient 
出游 chū yóu：Travel; go on a tour
清澈 qīng chè：Limpid; clear
景色 jǐng sè：scenery; view; scene
兴致大发 xìng zhì dà fā：interest ; mood
尽管 jǐn guǎn：although;while;when
动人 dòng rén ：moving；touching
